64931360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 182891520

約数和(自身を除く): 117960160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 53, 62, 65, 76, 80, 95, 104, 106, 124, 130, 152, 155, 160, 190, 208, 212, 247, 248, 260, 265, 304, 310, 380, 403, 416, 424, 494, 496, 520, 530, 589, 608, 620, 689, 760, 806, 848, 988, 992, 1007, 1040, 1060, 1178, 1235, 1240, 1378, 1520, 1612, 1643, 1696, 1976, 2014, 2015, 2080, 2120, 2356, 2470, 2480, 2756, 2945, 3040, 3224, 3286, 3445, 3952, 4028, 4030, 4240, 4712, 4940, 4960, 5035, 5512, 5890, 6448, 6572, 6890, 7657, 7904, 8056, 8060, 8215, 8480, 9424, 9880, 10070, 11024, 11780, 12896, 13091, 13144, 13780, 15314, 16112, 16120, 16430, 18848, 19760, 20140, 21359, 22048, 23560, 26182, 26288, 27560, 30628, 31217, 32224, 32240, 32860, 38285, 39520, 40280, 42718, 47120, 52364, 52576, 55120, 61256, 62434, 64480, 65455, 65720, 76570, 80560, 85436, 94240, 104728, 106795, 110240, 122512, 124868, 130910, 131440, 153140, 156085, 161120, 170872, 209456, 213590, 245024, 249736, 261820, 262880, 306280, 312170, 341744, 405821, 418912, 427180, 499472, 523640, 612560, 624340, 683488, 811642, 854360, 998944, 1047280, 1225120, 1248680, 1623284, 1708720, 2029105, 2094560, 2497360, 3246568, 3417440, 4058210, 4994720, 6493136, 8116420, 12986272, 16232840, 32465680, 64931360]

約数ペア:

[(1, 64931360), (2, 32465680), (4, 16232840), (5, 12986272), (8, 8116420), (10, 6493136), (13, 4994720), (16, 4058210), (19, 3417440), (20, 3246568), (26, 2497360), (31, 2094560), (32, 2029105), (38, 1708720), (40, 1623284), (52, 1248680), (53, 1225120), (62, 1047280), (65, 998944), (76, 854360), (80, 811642), (95, 683488), (104, 624340), (106, 612560), (124, 523640), (130, 499472), (152, 427180), (155, 418912), (160, 405821), (190, 341744), (208, 312170), (212, 306280), (247, 262880), (248, 261820), (260, 249736), (265, 245024), (304, 213590), (310, 209456), (380, 170872), (403, 161120), (416, 156085), (424, 153140), (494, 131440), (496, 130910), (520, 124868), (530, 122512), (589, 110240), (608, 106795), (620, 104728), (689, 94240), (760, 85436), (806, 80560), (848, 76570), (988, 65720), (992, 65455), (1007, 64480), (1040, 62434), (1060, 61256), (1178, 55120), (1235, 52576), (1240, 52364), (1378, 47120), (1520, 42718), (1612, 40280), (1643, 39520), (1696, 38285), (1976, 32860), (2014, 32240), (2015, 32224), (2080, 31217), (2120, 30628), (2356, 27560), (2470, 26288), (2480, 26182), (2756, 23560), (2945, 22048), (3040, 21359), (3224, 20140), (3286, 19760), (3445, 18848), (3952, 16430), (4028, 16120), (4030, 16112), (4240, 15314), (4712, 13780), (4940, 13144), (4960, 13091), (5035, 12896), (5512, 11780), (5890, 11024), (6448, 10070), (6572, 9880), (6890, 9424), (7657, 8480), (7904, 8215), (8056, 8060)]