72519960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 128

約数和(自身を含む): 242611200

約数和(自身を除く): 170091240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1871, 1938, 2040, 2280, 2584, 3230, 3742, 3876, 4845, 5613, 6460, 7484, 7752, 9355, 9690, 11226, 12920, 14968, 18710, 19380, 22452, 28065, 31807, 35549, 37420, 38760, 44904, 56130, 63614, 71098, 74840, 95421, 106647, 112260, 127228, 142196, 159035, 177745, 190842, 213294, 224520, 254456, 284392, 318070, 355490, 381684, 426588, 477105, 533235, 604333, 636140, 710980, 763368, 853176, 954210, 1066470, 1208666, 1272280, 1421960, 1812999, 1908420, 2132940, 2417332, 3021665, 3625998, 3816840, 4265880, 4834664, 6043330, 7251996, 9064995, 12086660, 14503992, 18129990, 24173320, 36259980, 72519960]

約数ペア:

[(1, 72519960), (2, 36259980), (3, 24173320), (4, 18129990), (5, 14503992), (6, 12086660), (8, 9064995), (10, 7251996), (12, 6043330), (15, 4834664), (17, 4265880), (19, 3816840), (20, 3625998), (24, 3021665), (30, 2417332), (34, 2132940), (38, 1908420), (40, 1812999), (51, 1421960), (57, 1272280), (60, 1208666), (68, 1066470), (76, 954210), (85, 853176), (95, 763368), (102, 710980), (114, 636140), (120, 604333), (136, 533235), (152, 477105), (170, 426588), (190, 381684), (204, 355490), (228, 318070), (255, 284392), (285, 254456), (323, 224520), (340, 213294), (380, 190842), (408, 177745), (456, 159035), (510, 142196), (570, 127228), (646, 112260), (680, 106647), (760, 95421), (969, 74840), (1020, 71098), (1140, 63614), (1292, 56130), (1615, 44904), (1871, 38760), (1938, 37420), (2040, 35549), (2280, 31807), (2584, 28065), (3230, 22452), (3742, 19380), (3876, 18710), (4845, 14968), (5613, 12920), (6460, 11226), (7484, 9690), (7752, 9355)]