291393180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 1023160320

約数和(自身を除く): 731767140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 103, 108, 117, 124, 130, 135, 155, 156, 169, 180, 186, 195, 206, 234, 260, 270, 279, 309, 310, 338, 351, 372, 390, 403, 412, 465, 468, 507, 515, 540, 558, 585, 618, 620, 676, 702, 780, 806, 837, 845, 927, 930, 1014, 1030, 1116, 1170, 1209, 1236, 1339, 1395, 1404, 1521, 1545, 1612, 1674, 1690, 1755, 1854, 1860, 2015, 2028, 2060, 2340, 2418, 2535, 2678, 2781, 2790, 3042, 3090, 3193, 3348, 3380, 3510, 3627, 3708, 4017, 4030, 4185, 4563, 4635, 4836, 5070, 5239, 5356, 5562, 5580, 6045, 6084, 6180, 6386, 6695, 7020, 7254, 7605, 8034, 8060, 8370, 9126, 9270, 9579, 10140, 10478, 10881, 11124, 12051, 12090, 12772, 13390, 13905, 14508, 15210, 15717, 15965, 16068, 16740, 17407, 18135, 18252, 18540, 19158, 20085, 20956, 21762, 22815, 24102, 24180, 26195, 26780, 27810, 28737, 30420, 31434, 31930, 34814, 36153, 36270, 38316, 40170, 41509, 43524, 45630, 47151, 47895, 48204, 52221, 52390, 54405, 55620, 57474, 60255, 62868, 63860, 69628, 72306, 72540, 78585, 80340, 83018, 86211, 87035, 91260, 94302, 95790, 104442, 104780, 108810, 114948, 120510, 124527, 141453, 143685, 144612, 156663, 157170, 166036, 172422, 174070, 180765, 188604, 191580, 207545, 208884, 217620, 235755, 241020, 249054, 261105, 282906, 287370, 313326, 314340, 344844, 348140, 361530, 373581, 415090, 431055, 469989, 471510, 498108, 522210, 539617, 565812, 574740, 622635, 626652, 707265, 723060, 747162, 783315, 830180, 862110, 939978, 943020, 1044420, 1079234, 1120743, 1245270, 1414530, 1494324, 1566630, 1618851, 1724220, 1867905, 1879956, 2158468, 2241486, 2349945, 2490540, 2698085, 2829060, 3133260, 3237702, 3735810, 4482972, 4699890, 4856553, 5396170, 5603715, 6475404, 7471620, 8094255, 9399780, 9713106, 10792340, 11207430, 14569659, 16188510, 19426212, 22414860, 24282765, 29139318, 32377020, 48565530, 58278636, 72848295, 97131060, 145696590, 291393180]

約数ペア:

[(1, 291393180), (2, 145696590), (3, 97131060), (4, 72848295), (5, 58278636), (6, 48565530), (9, 32377020), (10, 29139318), (12, 24282765), (13, 22414860), (15, 19426212), (18, 16188510), (20, 14569659), (26, 11207430), (27, 10792340), (30, 9713106), (31, 9399780), (36, 8094255), (39, 7471620), (45, 6475404), (52, 5603715), (54, 5396170), (60, 4856553), (62, 4699890), (65, 4482972), (78, 3735810), (90, 3237702), (93, 3133260), (103, 2829060), (108, 2698085), (117, 2490540), (124, 2349945), (130, 2241486), (135, 2158468), (155, 1879956), (156, 1867905), (169, 1724220), (180, 1618851), (186, 1566630), (195, 1494324), (206, 1414530), (234, 1245270), (260, 1120743), (270, 1079234), (279, 1044420), (309, 943020), (310, 939978), (338, 862110), (351, 830180), (372, 783315), (390, 747162), (403, 723060), (412, 707265), (465, 626652), (468, 622635), (507, 574740), (515, 565812), (540, 539617), (558, 522210), (585, 498108), (618, 471510), (620, 469989), (676, 431055), (702, 415090), (780, 373581), (806, 361530), (837, 348140), (845, 344844), (927, 314340), (930, 313326), (1014, 287370), (1030, 282906), (1116, 261105), (1170, 249054), (1209, 241020), (1236, 235755), (1339, 217620), (1395, 208884), (1404, 207545), (1521, 191580), (1545, 188604), (1612, 180765), (1674, 174070), (1690, 172422), (1755, 166036), (1854, 157170), (1860, 156663), (2015, 144612), (2028, 143685), (2060, 141453), (2340, 124527), (2418, 120510), (2535, 114948), (2678, 108810), (2781, 104780), (2790, 104442), (3042, 95790), (3090, 94302), (3193, 91260), (3348, 87035), (3380, 86211), (3510, 83018), (3627, 80340), (3708, 78585), (4017, 72540), (4030, 72306), (4185, 69628), (4563, 63860), (4635, 62868), (4836, 60255), (5070, 57474), (5239, 55620), (5356, 54405), (5562, 52390), (5580, 52221), (6045, 48204), (6084, 47895), (6180, 47151), (6386, 45630), (6695, 43524), (7020, 41509), (7254, 40170), (7605, 38316), (8034, 36270), (8060, 36153), (8370, 34814), (9126, 31930), (9270, 31434), (9579, 30420), (10140, 28737), (10478, 27810), (10881, 26780), (11124, 26195), (12051, 24180), (12090, 24102), (12772, 22815), (13390, 21762), (13905, 20956), (14508, 20085), (15210, 19158), (15717, 18540), (15965, 18252), (16068, 18135), (16740, 17407)]