820258920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1649

約数の個数: 256

約数和(自身を含む): 3026016000

約数和(自身を除く): 2205757080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 37, 39, 40, 45, 52, 54, 60, 65, 72, 74, 78, 90, 104, 108, 111, 117, 120, 130, 135, 148, 156, 180, 185, 195, 216, 222, 234, 260, 270, 296, 312, 333, 351, 360, 370, 390, 444, 468, 481, 520, 540, 555, 585, 666, 702, 740, 780, 888, 936, 962, 999, 1080, 1110, 1170, 1332, 1404, 1443, 1480, 1560, 1579, 1665, 1755, 1924, 1998, 2220, 2340, 2405, 2664, 2808, 2886, 3158, 3330, 3510, 3848, 3996, 4329, 4440, 4680, 4737, 4810, 4995, 5772, 6316, 6660, 7020, 7215, 7895, 7992, 8658, 9474, 9620, 9990, 11544, 12632, 12987, 13320, 14040, 14211, 14430, 15790, 17316, 18948, 19240, 19980, 20527, 21645, 23685, 25974, 28422, 28860, 31580, 34632, 37896, 39960, 41054, 42633, 43290, 47370, 51948, 56844, 57720, 58423, 61581, 63160, 64935, 71055, 82108, 85266, 86580, 94740, 102635, 103896, 113688, 116846, 123162, 129870, 142110, 164216, 170532, 173160, 175269, 184743, 189480, 205270, 213165, 233692, 246324, 259740, 284220, 292115, 307905, 341064, 350538, 369486, 410540, 426330, 467384, 492648, 519480, 525807, 554229, 568440, 584230, 615810, 701076, 738972, 759499, 821080, 852660, 876345, 923715, 1051614, 1108458, 1168460, 1231620, 1402152, 1477944, 1518998, 1577421, 1705320, 1752690, 1847430, 2103228, 2216916, 2278497, 2336920, 2463240, 2629035, 2771145, 3037996, 3154842, 3505380, 3694860, 3797495, 4206456, 4433832, 4556994, 5258070, 5542290, 6075992, 6309684, 6835491, 7010760, 7389720, 7594990, 7887105, 9113988, 10516140, 11084580, 11392485, 12619368, 13670982, 15189980, 15774210, 18227976, 20506473, 21032280, 22169160, 22784970, 27341964, 30379960, 31548420, 34177455, 41012946, 45569940, 54683928, 63096840, 68354910, 82025892, 91139880, 102532365, 136709820, 164051784, 205064730, 273419640, 410129460, 820258920]

約数ペア:

[(1, 820258920), (2, 410129460), (3, 273419640), (4, 205064730), (5, 164051784), (6, 136709820), (8, 102532365), (9, 91139880), (10, 82025892), (12, 68354910), (13, 63096840), (15, 54683928), (18, 45569940), (20, 41012946), (24, 34177455), (26, 31548420), (27, 30379960), (30, 27341964), (36, 22784970), (37, 22169160), (39, 21032280), (40, 20506473), (45, 18227976), (52, 15774210), (54, 15189980), (60, 13670982), (65, 12619368), (72, 11392485), (74, 11084580), (78, 10516140), (90, 9113988), (104, 7887105), (108, 7594990), (111, 7389720), (117, 7010760), (120, 6835491), (130, 6309684), (135, 6075992), (148, 5542290), (156, 5258070), (180, 4556994), (185, 4433832), (195, 4206456), (216, 3797495), (222, 3694860), (234, 3505380), (260, 3154842), (270, 3037996), (296, 2771145), (312, 2629035), (333, 2463240), (351, 2336920), (360, 2278497), (370, 2216916), (390, 2103228), (444, 1847430), (468, 1752690), (481, 1705320), (520, 1577421), (540, 1518998), (555, 1477944), (585, 1402152), (666, 1231620), (702, 1168460), (740, 1108458), (780, 1051614), (888, 923715), (936, 876345), (962, 852660), (999, 821080), (1080, 759499), (1110, 738972), (1170, 701076), (1332, 615810), (1404, 584230), (1443, 568440), (1480, 554229), (1560, 525807), (1579, 519480), (1665, 492648), (1755, 467384), (1924, 426330), (1998, 410540), (2220, 369486), (2340, 350538), (2405, 341064), (2664, 307905), (2808, 292115), (2886, 284220), (3158, 259740), (3330, 246324), (3510, 233692), (3848, 213165), (3996, 205270), (4329, 189480), (4440, 184743), (4680, 175269), (4737, 173160), (4810, 170532), (4995, 164216), (5772, 142110), (6316, 129870), (6660, 123162), (7020, 116846), (7215, 113688), (7895, 103896), (7992, 102635), (8658, 94740), (9474, 86580), (9620, 85266), (9990, 82108), (11544, 71055), (12632, 64935), (12987, 63160), (13320, 61581), (14040, 58423), (14211, 57720), (14430, 56844), (15790, 51948), (17316, 47370), (18948, 43290), (19240, 42633), (19980, 41054), (20527, 39960), (21645, 37896), (23685, 34632), (25974, 31580), (28422, 28860)]