21456779580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2518

約数の個数: 288

約数和(自身を含む): 72063774720

約数和(自身を除く): 50606995140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 31, 36, 45, 46, 54, 60, 62, 69, 90, 92, 93, 108, 115, 124, 135, 138, 155, 180, 186, 207, 230, 270, 276, 279, 310, 345, 372, 414, 460, 465, 529, 540, 558, 620, 621, 690, 713, 828, 837, 930, 1035, 1058, 1116, 1242, 1380, 1395, 1426, 1587, 1674, 1860, 2070, 2116, 2139, 2423, 2484, 2645, 2790, 2852, 3105, 3174, 3348, 3565, 4140, 4185, 4278, 4761, 4846, 5290, 5580, 6210, 6348, 6417, 7130, 7269, 7935, 8370, 8556, 9522, 9692, 10580, 10695, 12115, 12420, 12834, 14260, 14283, 14538, 15870, 16399, 16740, 19044, 19251, 21390, 21807, 23805, 24230, 25668, 28566, 29076, 31740, 32085, 32798, 36345, 38502, 42780, 43614, 47610, 48460, 49197, 55729, 57132, 64170, 65421, 65596, 71415, 72690, 75113, 77004, 81995, 87228, 95220, 96255, 98394, 109035, 111458, 128340, 130842, 142830, 145380, 147591, 150226, 163990, 167187, 192510, 196788, 218070, 222916, 225339, 245985, 261684, 278645, 285660, 295182, 300452, 327105, 327980, 334374, 375565, 385020, 436140, 442773, 450678, 491970, 501561, 557290, 590364, 654210, 668748, 676017, 737955, 751130, 835935, 885546, 901356, 983940, 1003122, 1114580, 1126695, 1281767, 1308420, 1352034, 1475910, 1502260, 1504683, 1671870, 1727599, 1771092, 2006244, 2028051, 2213865, 2253390, 2507805, 2563534, 2704068, 2951820, 3009366, 3343740, 3380085, 3455198, 3845301, 4056102, 4427730, 4506780, 5015610, 5127068, 5182797, 6018732, 6408835, 6760170, 6910396, 7523415, 7690602, 8112204, 8637995, 8855460, 10031220, 10140255, 10365594, 11535903, 12817670, 13520340, 15046830, 15381204, 15548391, 17275990, 19226505, 20280510, 20731188, 23071806, 25635340, 25913985, 30093660, 31096782, 34551980, 34607709, 38453010, 39734777, 40561020, 46143612, 46645173, 51827970, 57679515, 62193564, 69215418, 76906020, 77741955, 79469554, 93290346, 103655940, 115359030, 119204331, 138430836, 155483910, 158939108, 173038545, 186580692, 198673885, 230718060, 233225865, 238408662, 310967820, 346077090, 357612993, 397347770, 466451730, 476817324, 596021655, 692154180, 715225986, 794695540, 932903460, 1072838979, 1192043310, 1430451972, 1788064965, 2145677958, 2384086620, 3576129930, 4291355916, 5364194895, 7152259860, 10728389790, 21456779580]

約数ペア:

[(1, 21456779580), (2, 10728389790), (3, 7152259860), (4, 5364194895), (5, 4291355916), (6, 3576129930), (9, 2384086620), (10, 2145677958), (12, 1788064965), (15, 1430451972), (18, 1192043310), (20, 1072838979), (23, 932903460), (27, 794695540), (30, 715225986), (31, 692154180), (36, 596021655), (45, 476817324), (46, 466451730), (54, 397347770), (60, 357612993), (62, 346077090), (69, 310967820), (90, 238408662), (92, 233225865), (93, 230718060), (108, 198673885), (115, 186580692), (124, 173038545), (135, 158939108), (138, 155483910), (155, 138430836), (180, 119204331), (186, 115359030), (207, 103655940), (230, 93290346), (270, 79469554), (276, 77741955), (279, 76906020), (310, 69215418), (345, 62193564), (372, 57679515), (414, 51827970), (460, 46645173), (465, 46143612), (529, 40561020), (540, 39734777), (558, 38453010), (620, 34607709), (621, 34551980), (690, 31096782), (713, 30093660), (828, 25913985), (837, 25635340), (930, 23071806), (1035, 20731188), (1058, 20280510), (1116, 19226505), (1242, 17275990), (1380, 15548391), (1395, 15381204), (1426, 15046830), (1587, 13520340), (1674, 12817670), (1860, 11535903), (2070, 10365594), (2116, 10140255), (2139, 10031220), (2423, 8855460), (2484, 8637995), (2645, 8112204), (2790, 7690602), (2852, 7523415), (3105, 6910396), (3174, 6760170), (3348, 6408835), (3565, 6018732), (4140, 5182797), (4185, 5127068), (4278, 5015610), (4761, 4506780), (4846, 4427730), (5290, 4056102), (5580, 3845301), (6210, 3455198), (6348, 3380085), (6417, 3343740), (7130, 3009366), (7269, 2951820), (7935, 2704068), (8370, 2563534), (8556, 2507805), (9522, 2253390), (9692, 2213865), (10580, 2028051), (10695, 2006244), (12115, 1771092), (12420, 1727599), (12834, 1671870), (14260, 1504683), (14283, 1502260), (14538, 1475910), (15870, 1352034), (16399, 1308420), (16740, 1281767), (19044, 1126695), (19251, 1114580), (21390, 1003122), (21807, 983940), (23805, 901356), (24230, 885546), (25668, 835935), (28566, 751130), (29076, 737955), (31740, 676017), (32085, 668748), (32798, 654210), (36345, 590364), (38502, 557290), (42780, 501561), (43614, 491970), (47610, 450678), (48460, 442773), (49197, 436140), (55729, 385020), (57132, 375565), (64170, 334374), (65421, 327980), (65596, 327105), (71415, 300452), (72690, 295182), (75113, 285660), (77004, 278645), (81995, 261684), (87228, 245985), (95220, 225339), (96255, 222916), (98394, 218070), (109035, 196788), (111458, 192510), (128340, 167187), (130842, 163990), (142830, 150226), (145380, 147591)]