64844520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 211559040

約数和(自身を除く): 146714520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 211, 260, 312, 390, 394, 422, 520, 591, 633, 780, 788, 844, 985, 1055, 1182, 1266, 1560, 1576, 1688, 1970, 2110, 2364, 2532, 2561, 2743, 2955, 3165, 3940, 4220, 4728, 5064, 5122, 5486, 5910, 6330, 7683, 7880, 8229, 8440, 10244, 10972, 11820, 12660, 12805, 13715, 15366, 16458, 20488, 21944, 23640, 25320, 25610, 27430, 30732, 32916, 38415, 41145, 41567, 51220, 54860, 61464, 65832, 76830, 82290, 83134, 102440, 109720, 124701, 153660, 164580, 166268, 207835, 249402, 307320, 329160, 332536, 415670, 498804, 540371, 623505, 831340, 997608, 1080742, 1247010, 1621113, 1662680, 2161484, 2494020, 2701855, 3242226, 4322968, 4988040, 5403710, 6484452, 8105565, 10807420, 12968904, 16211130, 21614840, 32422260, 64844520]

約数ペア:

[(1, 64844520), (2, 32422260), (3, 21614840), (4, 16211130), (5, 12968904), (6, 10807420), (8, 8105565), (10, 6484452), (12, 5403710), (13, 4988040), (15, 4322968), (20, 3242226), (24, 2701855), (26, 2494020), (30, 2161484), (39, 1662680), (40, 1621113), (52, 1247010), (60, 1080742), (65, 997608), (78, 831340), (104, 623505), (120, 540371), (130, 498804), (156, 415670), (195, 332536), (197, 329160), (211, 307320), (260, 249402), (312, 207835), (390, 166268), (394, 164580), (422, 153660), (520, 124701), (591, 109720), (633, 102440), (780, 83134), (788, 82290), (844, 76830), (985, 65832), (1055, 61464), (1182, 54860), (1266, 51220), (1560, 41567), (1576, 41145), (1688, 38415), (1970, 32916), (2110, 30732), (2364, 27430), (2532, 25610), (2561, 25320), (2743, 23640), (2955, 21944), (3165, 20488), (3940, 16458), (4220, 15366), (4728, 13715), (5064, 12805), (5122, 12660), (5486, 11820), (5910, 10972), (6330, 10244), (7683, 8440), (7880, 8229)]