72180090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 198761472

約数和(自身を除く): 126581382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 41, 45, 62, 82, 90, 93, 123, 155, 186, 205, 246, 279, 310, 369, 410, 465, 558, 615, 631, 738, 930, 1230, 1262, 1271, 1395, 1845, 1893, 2542, 2790, 3155, 3690, 3786, 3813, 5679, 6310, 6355, 7626, 9465, 11358, 11439, 12710, 18930, 19065, 19561, 22878, 25871, 28395, 38130, 39122, 51742, 56790, 57195, 58683, 77613, 97805, 114390, 117366, 129355, 155226, 176049, 195610, 232839, 258710, 293415, 352098, 388065, 465678, 586830, 776130, 802001, 880245, 1164195, 1604002, 1760490, 2328390, 2406003, 4010005, 4812006, 7218009, 8020010, 12030015, 14436018, 24060030, 36090045, 72180090]

約数ペア:

[(1, 72180090), (2, 36090045), (3, 24060030), (5, 14436018), (6, 12030015), (9, 8020010), (10, 7218009), (15, 4812006), (18, 4010005), (30, 2406003), (31, 2328390), (41, 1760490), (45, 1604002), (62, 1164195), (82, 880245), (90, 802001), (93, 776130), (123, 586830), (155, 465678), (186, 388065), (205, 352098), (246, 293415), (279, 258710), (310, 232839), (369, 195610), (410, 176049), (465, 155226), (558, 129355), (615, 117366), (631, 114390), (738, 97805), (930, 77613), (1230, 58683), (1262, 57195), (1271, 56790), (1395, 51742), (1845, 39122), (1893, 38130), (2542, 28395), (2790, 25871), (3155, 22878), (3690, 19561), (3786, 19065), (3813, 18930), (5679, 12710), (6310, 11439), (6355, 11358), (7626, 9465)]