90387780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 308206080

約数和(自身を除く): 217818300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 41, 42, 58, 60, 70, 82, 84, 87, 105, 116, 123, 140, 145, 164, 174, 181, 203, 205, 210, 246, 287, 290, 348, 362, 406, 410, 420, 435, 492, 543, 574, 580, 609, 615, 724, 812, 820, 861, 870, 905, 1015, 1086, 1148, 1189, 1218, 1230, 1267, 1435, 1722, 1740, 1810, 2030, 2172, 2378, 2436, 2460, 2534, 2715, 2870, 3045, 3444, 3567, 3620, 3801, 4060, 4305, 4756, 5068, 5249, 5430, 5740, 5945, 6090, 6335, 7134, 7421, 7602, 8323, 8610, 10498, 10860, 11890, 12180, 12670, 14268, 14842, 15204, 15747, 16646, 17220, 17835, 19005, 20996, 22263, 23780, 24969, 25340, 26245, 29684, 31494, 33292, 35670, 36743, 37105, 38010, 41615, 44526, 49938, 51947, 52490, 62988, 71340, 73486, 74210, 76020, 78735, 83230, 89052, 99876, 103894, 104980, 110229, 111315, 124845, 146972, 148420, 155841, 157470, 166460, 183715, 207788, 215209, 220458, 222630, 249690, 259735, 311682, 314940, 367430, 430418, 440916, 445260, 499380, 519470, 551145, 623364, 645627, 734860, 779205, 860836, 1038940, 1076045, 1102290, 1291254, 1506463, 1558410, 2152090, 2204580, 2582508, 3012926, 3116820, 3228135, 4304180, 4519389, 6025852, 6456270, 7532315, 9038778, 12912540, 15064630, 18077556, 22596945, 30129260, 45193890, 90387780]

約数ペア:

[(1, 90387780), (2, 45193890), (3, 30129260), (4, 22596945), (5, 18077556), (6, 15064630), (7, 12912540), (10, 9038778), (12, 7532315), (14, 6456270), (15, 6025852), (20, 4519389), (21, 4304180), (28, 3228135), (29, 3116820), (30, 3012926), (35, 2582508), (41, 2204580), (42, 2152090), (58, 1558410), (60, 1506463), (70, 1291254), (82, 1102290), (84, 1076045), (87, 1038940), (105, 860836), (116, 779205), (123, 734860), (140, 645627), (145, 623364), (164, 551145), (174, 519470), (181, 499380), (203, 445260), (205, 440916), (210, 430418), (246, 367430), (287, 314940), (290, 311682), (348, 259735), (362, 249690), (406, 222630), (410, 220458), (420, 215209), (435, 207788), (492, 183715), (543, 166460), (574, 157470), (580, 155841), (609, 148420), (615, 146972), (724, 124845), (812, 111315), (820, 110229), (861, 104980), (870, 103894), (905, 99876), (1015, 89052), (1086, 83230), (1148, 78735), (1189, 76020), (1218, 74210), (1230, 73486), (1267, 71340), (1435, 62988), (1722, 52490), (1740, 51947), (1810, 49938), (2030, 44526), (2172, 41615), (2378, 38010), (2436, 37105), (2460, 36743), (2534, 35670), (2715, 33292), (2870, 31494), (3045, 29684), (3444, 26245), (3567, 25340), (3620, 24969), (3801, 23780), (4060, 22263), (4305, 20996), (4756, 19005), (5068, 17835), (5249, 17220), (5430, 16646), (5740, 15747), (5945, 15204), (6090, 14842), (6335, 14268), (7134, 12670), (7421, 12180), (7602, 11890), (8323, 10860), (8610, 10498)]