8019960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 26671680

約数和(自身を除く): 18651720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 97, 104, 106, 120, 130, 156, 159, 194, 195, 212, 260, 265, 291, 312, 318, 388, 390, 424, 485, 520, 530, 582, 636, 689, 776, 780, 795, 970, 1060, 1164, 1261, 1272, 1378, 1455, 1560, 1590, 1940, 2067, 2120, 2328, 2522, 2756, 2910, 3180, 3445, 3783, 3880, 4134, 5044, 5141, 5512, 5820, 6305, 6360, 6890, 7566, 8268, 10088, 10282, 10335, 11640, 12610, 13780, 15132, 15423, 16536, 18915, 20564, 20670, 25220, 25705, 27560, 30264, 30846, 37830, 41128, 41340, 50440, 51410, 61692, 66833, 75660, 77115, 82680, 102820, 123384, 133666, 151320, 154230, 200499, 205640, 267332, 308460, 334165, 400998, 534664, 616920, 668330, 801996, 1002495, 1336660, 1603992, 2004990, 2673320, 4009980, 8019960]

約数ペア:

[(1, 8019960), (2, 4009980), (3, 2673320), (4, 2004990), (5, 1603992), (6, 1336660), (8, 1002495), (10, 801996), (12, 668330), (13, 616920), (15, 534664), (20, 400998), (24, 334165), (26, 308460), (30, 267332), (39, 205640), (40, 200499), (52, 154230), (53, 151320), (60, 133666), (65, 123384), (78, 102820), (97, 82680), (104, 77115), (106, 75660), (120, 66833), (130, 61692), (156, 51410), (159, 50440), (194, 41340), (195, 41128), (212, 37830), (260, 30846), (265, 30264), (291, 27560), (312, 25705), (318, 25220), (388, 20670), (390, 20564), (424, 18915), (485, 16536), (520, 15423), (530, 15132), (582, 13780), (636, 12610), (689, 11640), (776, 10335), (780, 10282), (795, 10088), (970, 8268), (1060, 7566), (1164, 6890), (1261, 6360), (1272, 6305), (1378, 5820), (1455, 5512), (1560, 5141), (1590, 5044), (1940, 4134), (2067, 3880), (2120, 3783), (2328, 3445), (2522, 3180), (2756, 2910)]