18408780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7867}}^1$

素因数の和:7895

約数の個数: 72

約数和(自身を含む): 60142992

約数和(自身を除く): 41734212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7867, 15734, 23601, 31468, 39335, 47202, 70803, 78670, 94404, 102271, 118005, 141606, 157340, 204542, 236010, 283212, 306813, 354015, 409084, 472020, 511355, 613626, 708030, 920439, 1022710, 1227252, 1416060, 1534065, 1840878, 2045420, 3068130, 3681756, 4602195, 6136260, 9204390, 18408780]

約数ペア:

[(1, 18408780), (2, 9204390), (3, 6136260), (4, 4602195), (5, 3681756), (6, 3068130), (9, 2045420), (10, 1840878), (12, 1534065), (13, 1416060), (15, 1227252), (18, 1022710), (20, 920439), (26, 708030), (30, 613626), (36, 511355), (39, 472020), (45, 409084), (52, 354015), (60, 306813), (65, 283212), (78, 236010), (90, 204542), (117, 157340), (130, 141606), (156, 118005), (180, 102271), (195, 94404), (234, 78670), (260, 70803), (390, 47202), (468, 39335), (585, 31468), (780, 23601), (1170, 15734), (2340, 7867)]