78764580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 251596800

約数和(自身を除く): 172832220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 180, 191, 237, 261, 290, 316, 348, 382, 395, 435, 474, 522, 573, 580, 711, 764, 790, 870, 948, 955, 1044, 1146, 1185, 1305, 1422, 1580, 1719, 1740, 1910, 2291, 2292, 2370, 2610, 2844, 2865, 3438, 3555, 3820, 4582, 4740, 5220, 5539, 5730, 6873, 6876, 7110, 8595, 9164, 11078, 11455, 11460, 13746, 14220, 15089, 16617, 17190, 20619, 22156, 22910, 27492, 27695, 30178, 33234, 34365, 34380, 41238, 45267, 45820, 49851, 55390, 60356, 66468, 68730, 75445, 82476, 83085, 90534, 99702, 103095, 110780, 135801, 137460, 150890, 166170, 181068, 199404, 206190, 226335, 249255, 271602, 301780, 332340, 412380, 437581, 452670, 498510, 543204, 679005, 875162, 905340, 997020, 1312743, 1358010, 1750324, 2187905, 2625486, 2716020, 3938229, 4375810, 5250972, 6563715, 7876458, 8751620, 13127430, 15752916, 19691145, 26254860, 39382290, 78764580]

約数ペア:

[(1, 78764580), (2, 39382290), (3, 26254860), (4, 19691145), (5, 15752916), (6, 13127430), (9, 8751620), (10, 7876458), (12, 6563715), (15, 5250972), (18, 4375810), (20, 3938229), (29, 2716020), (30, 2625486), (36, 2187905), (45, 1750324), (58, 1358010), (60, 1312743), (79, 997020), (87, 905340), (90, 875162), (116, 679005), (145, 543204), (158, 498510), (174, 452670), (180, 437581), (191, 412380), (237, 332340), (261, 301780), (290, 271602), (316, 249255), (348, 226335), (382, 206190), (395, 199404), (435, 181068), (474, 166170), (522, 150890), (573, 137460), (580, 135801), (711, 110780), (764, 103095), (790, 99702), (870, 90534), (948, 83085), (955, 82476), (1044, 75445), (1146, 68730), (1185, 66468), (1305, 60356), (1422, 55390), (1580, 49851), (1719, 45820), (1740, 45267), (1910, 41238), (2291, 34380), (2292, 34365), (2370, 33234), (2610, 30178), (2844, 27695), (2865, 27492), (3438, 22910), (3555, 22156), (3820, 20619), (4582, 17190), (4740, 16617), (5220, 15089), (5539, 14220), (5730, 13746), (6873, 11460), (6876, 11455), (7110, 11078), (8595, 9164)]