64937960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 166212000

約数和(自身を除く): 101274040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 37, 40, 58, 68, 74, 85, 89, 116, 136, 145, 148, 170, 178, 185, 232, 290, 296, 340, 356, 370, 445, 493, 580, 629, 680, 712, 740, 890, 986, 1073, 1160, 1258, 1480, 1513, 1780, 1972, 2146, 2465, 2516, 2581, 3026, 3145, 3293, 3560, 3944, 4292, 4930, 5032, 5162, 5365, 6052, 6290, 6586, 7565, 8584, 9860, 10324, 10730, 12104, 12580, 12905, 13172, 15130, 16465, 18241, 19720, 20648, 21460, 25160, 25810, 26344, 30260, 32930, 36482, 42920, 43877, 51620, 55981, 60520, 65860, 72964, 87754, 91205, 95497, 103240, 111962, 131720, 145928, 175508, 182410, 190994, 219385, 223924, 279905, 351016, 364820, 381988, 438770, 447848, 477485, 559810, 729640, 763976, 877540, 954970, 1119620, 1623449, 1755080, 1909940, 2239240, 3246898, 3819880, 6493796, 8117245, 12987592, 16234490, 32468980, 64937960]

約数ペア:

[(1, 64937960), (2, 32468980), (4, 16234490), (5, 12987592), (8, 8117245), (10, 6493796), (17, 3819880), (20, 3246898), (29, 2239240), (34, 1909940), (37, 1755080), (40, 1623449), (58, 1119620), (68, 954970), (74, 877540), (85, 763976), (89, 729640), (116, 559810), (136, 477485), (145, 447848), (148, 438770), (170, 381988), (178, 364820), (185, 351016), (232, 279905), (290, 223924), (296, 219385), (340, 190994), (356, 182410), (370, 175508), (445, 145928), (493, 131720), (580, 111962), (629, 103240), (680, 95497), (712, 91205), (740, 87754), (890, 72964), (986, 65860), (1073, 60520), (1160, 55981), (1258, 51620), (1480, 43877), (1513, 42920), (1780, 36482), (1972, 32930), (2146, 30260), (2465, 26344), (2516, 25810), (2581, 25160), (3026, 21460), (3145, 20648), (3293, 19720), (3560, 18241), (3944, 16465), (4292, 15130), (4930, 13172), (5032, 12905), (5162, 12580), (5365, 12104), (6052, 10730), (6290, 10324), (6586, 9860), (7565, 8584)]