261313260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 829108224

約数和(自身を除く): 567794964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 101, 107, 124, 130, 155, 156, 186, 195, 202, 214, 260, 303, 310, 321, 372, 390, 403, 404, 428, 465, 505, 535, 606, 620, 642, 780, 806, 930, 1010, 1070, 1209, 1212, 1284, 1313, 1391, 1515, 1605, 1612, 1860, 2015, 2020, 2140, 2418, 2626, 2782, 3030, 3131, 3210, 3317, 3939, 4030, 4173, 4836, 5252, 5564, 6045, 6060, 6262, 6420, 6565, 6634, 6955, 7878, 8060, 8346, 9393, 9951, 10807, 12090, 12524, 13130, 13268, 13910, 15655, 15756, 16585, 16692, 18786, 19695, 19902, 20865, 21614, 24180, 26260, 27820, 31310, 32421, 33170, 37572, 39390, 39804, 40703, 41730, 43121, 43228, 46965, 49755, 54035, 62620, 64842, 66340, 78780, 81406, 83460, 86242, 93930, 99510, 108070, 122109, 129363, 129684, 140491, 162105, 162812, 172484, 187860, 199020, 203515, 215605, 216140, 244218, 258726, 280982, 324210, 335017, 407030, 421473, 431210, 488436, 517452, 561964, 610545, 646815, 648420, 670034, 702455, 814060, 842946, 862420, 1005051, 1221090, 1293630, 1340068, 1404910, 1675085, 1685892, 2010102, 2107365, 2442180, 2587260, 2809820, 3350170, 4020204, 4214730, 4355221, 5025255, 6700340, 8429460, 8710442, 10050510, 13065663, 17420884, 20101020, 21776105, 26131326, 43552210, 52262652, 65328315, 87104420, 130656630, 261313260]

約数ペア:

[(1, 261313260), (2, 130656630), (3, 87104420), (4, 65328315), (5, 52262652), (6, 43552210), (10, 26131326), (12, 21776105), (13, 20101020), (15, 17420884), (20, 13065663), (26, 10050510), (30, 8710442), (31, 8429460), (39, 6700340), (52, 5025255), (60, 4355221), (62, 4214730), (65, 4020204), (78, 3350170), (93, 2809820), (101, 2587260), (107, 2442180), (124, 2107365), (130, 2010102), (155, 1685892), (156, 1675085), (186, 1404910), (195, 1340068), (202, 1293630), (214, 1221090), (260, 1005051), (303, 862420), (310, 842946), (321, 814060), (372, 702455), (390, 670034), (403, 648420), (404, 646815), (428, 610545), (465, 561964), (505, 517452), (535, 488436), (606, 431210), (620, 421473), (642, 407030), (780, 335017), (806, 324210), (930, 280982), (1010, 258726), (1070, 244218), (1209, 216140), (1212, 215605), (1284, 203515), (1313, 199020), (1391, 187860), (1515, 172484), (1605, 162812), (1612, 162105), (1860, 140491), (2015, 129684), (2020, 129363), (2140, 122109), (2418, 108070), (2626, 99510), (2782, 93930), (3030, 86242), (3131, 83460), (3210, 81406), (3317, 78780), (3939, 66340), (4030, 64842), (4173, 62620), (4836, 54035), (5252, 49755), (5564, 46965), (6045, 43228), (6060, 43121), (6262, 41730), (6420, 40703), (6565, 39804), (6634, 39390), (6955, 37572), (7878, 33170), (8060, 32421), (8346, 31310), (9393, 27820), (9951, 26260), (10807, 24180), (12090, 21614), (12524, 20865), (13130, 19902), (13268, 19695), (13910, 18786), (15655, 16692), (15756, 16585)]