64636860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 200188800

約数和(自身を除く): 135551940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 59, 60, 62, 76, 93, 95, 114, 118, 124, 155, 177, 186, 190, 228, 236, 285, 295, 310, 354, 372, 380, 465, 570, 589, 590, 620, 708, 885, 930, 961, 1121, 1140, 1178, 1180, 1767, 1770, 1829, 1860, 1922, 2242, 2356, 2883, 2945, 3363, 3534, 3540, 3658, 3844, 4484, 4805, 5487, 5605, 5766, 5890, 6726, 7068, 7316, 8835, 9145, 9610, 10974, 11210, 11532, 11780, 13452, 14415, 16815, 17670, 18259, 18290, 19220, 21948, 22420, 27435, 28830, 33630, 34751, 35340, 36518, 36580, 54777, 54870, 56699, 57660, 67260, 69502, 73036, 91295, 104253, 109554, 109740, 113398, 139004, 170097, 173755, 182590, 208506, 219108, 226796, 273885, 283495, 340194, 347510, 365180, 417012, 521265, 547770, 566990, 680388, 695020, 850485, 1042530, 1077281, 1095540, 1133980, 1700970, 2085060, 2154562, 3231843, 3401940, 4309124, 5386405, 6463686, 10772810, 12927372, 16159215, 21545620, 32318430, 64636860]

約数ペア:

[(1, 64636860), (2, 32318430), (3, 21545620), (4, 16159215), (5, 12927372), (6, 10772810), (10, 6463686), (12, 5386405), (15, 4309124), (19, 3401940), (20, 3231843), (30, 2154562), (31, 2085060), (38, 1700970), (57, 1133980), (59, 1095540), (60, 1077281), (62, 1042530), (76, 850485), (93, 695020), (95, 680388), (114, 566990), (118, 547770), (124, 521265), (155, 417012), (177, 365180), (186, 347510), (190, 340194), (228, 283495), (236, 273885), (285, 226796), (295, 219108), (310, 208506), (354, 182590), (372, 173755), (380, 170097), (465, 139004), (570, 113398), (589, 109740), (590, 109554), (620, 104253), (708, 91295), (885, 73036), (930, 69502), (961, 67260), (1121, 57660), (1140, 56699), (1178, 54870), (1180, 54777), (1767, 36580), (1770, 36518), (1829, 35340), (1860, 34751), (1922, 33630), (2242, 28830), (2356, 27435), (2883, 22420), (2945, 21948), (3363, 19220), (3534, 18290), (3540, 18259), (3658, 17670), (3844, 16815), (4484, 14415), (4805, 13452), (5487, 11780), (5605, 11532), (5766, 11210), (5890, 10974), (6726, 9610), (7068, 9145), (7316, 8835)]