279468780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 846671616

約数和(自身を除く): 567202836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 227, 255, 284, 289, 340, 355, 426, 454, 510, 578, 681, 710, 852, 867, 908, 1020, 1065, 1135, 1156, 1207, 1362, 1420, 1445, 1734, 2130, 2270, 2414, 2724, 2890, 3405, 3468, 3621, 3859, 4260, 4335, 4540, 4828, 5780, 6035, 6810, 7242, 7718, 8670, 11577, 12070, 13620, 14484, 15436, 16117, 17340, 18105, 19295, 20519, 23154, 24140, 32234, 36210, 38590, 41038, 46308, 48351, 57885, 61557, 64468, 65603, 72420, 77180, 80585, 82076, 96702, 102595, 115770, 123114, 131206, 161170, 193404, 196809, 205190, 231540, 241755, 246228, 262412, 273989, 307785, 322340, 328015, 393618, 410380, 483510, 547978, 615570, 656030, 787236, 821967, 967020, 984045, 1095956, 1231140, 1312060, 1369945, 1643934, 1968090, 2739890, 3287868, 3936180, 4109835, 4657813, 5479780, 8219670, 9315626, 13973439, 16439340, 18631252, 23289065, 27946878, 46578130, 55893756, 69867195, 93156260, 139734390, 279468780]

約数ペア:

[(1, 279468780), (2, 139734390), (3, 93156260), (4, 69867195), (5, 55893756), (6, 46578130), (10, 27946878), (12, 23289065), (15, 18631252), (17, 16439340), (20, 13973439), (30, 9315626), (34, 8219670), (51, 5479780), (60, 4657813), (68, 4109835), (71, 3936180), (85, 3287868), (102, 2739890), (142, 1968090), (170, 1643934), (204, 1369945), (213, 1312060), (227, 1231140), (255, 1095956), (284, 984045), (289, 967020), (340, 821967), (355, 787236), (426, 656030), (454, 615570), (510, 547978), (578, 483510), (681, 410380), (710, 393618), (852, 328015), (867, 322340), (908, 307785), (1020, 273989), (1065, 262412), (1135, 246228), (1156, 241755), (1207, 231540), (1362, 205190), (1420, 196809), (1445, 193404), (1734, 161170), (2130, 131206), (2270, 123114), (2414, 115770), (2724, 102595), (2890, 96702), (3405, 82076), (3468, 80585), (3621, 77180), (3859, 72420), (4260, 65603), (4335, 64468), (4540, 61557), (4828, 57885), (5780, 48351), (6035, 46308), (6810, 41038), (7242, 38590), (7718, 36210), (8670, 32234), (11577, 24140), (12070, 23154), (13620, 20519), (14484, 19295), (15436, 18105), (16117, 17340)]