72439020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 163432980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 228, 236, 285, 295, 342, 354, 359, 380, 531, 570, 590, 684, 708, 718, 855, 885, 1062, 1077, 1121, 1140, 1180, 1436, 1710, 1770, 1795, 2124, 2154, 2242, 2655, 3231, 3363, 3420, 3540, 3590, 4308, 4484, 5310, 5385, 5605, 6462, 6726, 6821, 7180, 10089, 10620, 10770, 11210, 12924, 13452, 13642, 16155, 16815, 20178, 20463, 21181, 21540, 22420, 27284, 32310, 33630, 34105, 40356, 40926, 42362, 50445, 61389, 63543, 64620, 67260, 68210, 81852, 84724, 100890, 102315, 105905, 122778, 127086, 136420, 190629, 201780, 204630, 211810, 245556, 254172, 306945, 317715, 381258, 402439, 409260, 423620, 613890, 635430, 762516, 804878, 953145, 1207317, 1227780, 1270860, 1609756, 1906290, 2012195, 2414634, 3621951, 3812580, 4024390, 4829268, 6036585, 7243902, 8048780, 12073170, 14487804, 18109755, 24146340, 36219510, 72439020]

約数ペア:

[(1, 72439020), (2, 36219510), (3, 24146340), (4, 18109755), (5, 14487804), (6, 12073170), (9, 8048780), (10, 7243902), (12, 6036585), (15, 4829268), (18, 4024390), (19, 3812580), (20, 3621951), (30, 2414634), (36, 2012195), (38, 1906290), (45, 1609756), (57, 1270860), (59, 1227780), (60, 1207317), (76, 953145), (90, 804878), (95, 762516), (114, 635430), (118, 613890), (171, 423620), (177, 409260), (180, 402439), (190, 381258), (228, 317715), (236, 306945), (285, 254172), (295, 245556), (342, 211810), (354, 204630), (359, 201780), (380, 190629), (531, 136420), (570, 127086), (590, 122778), (684, 105905), (708, 102315), (718, 100890), (855, 84724), (885, 81852), (1062, 68210), (1077, 67260), (1121, 64620), (1140, 63543), (1180, 61389), (1436, 50445), (1710, 42362), (1770, 40926), (1795, 40356), (2124, 34105), (2154, 33630), (2242, 32310), (2655, 27284), (3231, 22420), (3363, 21540), (3420, 21181), (3540, 20463), (3590, 20178), (4308, 16815), (4484, 16155), (5310, 13642), (5385, 13452), (5605, 12924), (6462, 11210), (6726, 10770), (6821, 10620), (7180, 10089)]