645688680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8447}}^1$

素因数の和:8488

約数の個数: 192

約数和(自身を含む): 2426941440

約数和(自身を除く): 1781252760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3640, 3822, 5096, 5460, 5880, 6370, 7644, 8447, 9555, 10920, 12740, 15288, 16894, 19110, 25341, 25480, 33788, 38220, 42235, 50682, 59129, 67576, 76440, 84470, 101364, 109811, 118258, 126705, 168940, 177387, 202728, 219622, 236516, 253410, 295645, 329433, 337880, 354774, 413903, 439244, 473032, 506820, 549055, 591290, 658866, 709548, 768677, 827806, 878488, 886935, 1013640, 1098110, 1182580, 1241709, 1317732, 1419096, 1537354, 1647165, 1655612, 1773870, 2069515, 2196220, 2306031, 2365160, 2483418, 2635464, 3074708, 3294330, 3311224, 3547740, 3843385, 4139030, 4392440, 4612062, 4966836, 5380739, 6149416, 6208545, 6588660, 7095480, 7686770, 8278060, 9224124, 9933672, 10761478, 11530155, 12417090, 13177320, 15373540, 16142217, 16556120, 18448248, 21522956, 23060310, 24834180, 26903695, 30747080, 32284434, 43045912, 46120620, 49668360, 53807390, 64568868, 80711085, 92241240, 107614780, 129137736, 161422170, 215229560, 322844340, 645688680]

約数ペア:

[(1, 645688680), (2, 322844340), (3, 215229560), (4, 161422170), (5, 129137736), (6, 107614780), (7, 92241240), (8, 80711085), (10, 64568868), (12, 53807390), (13, 49668360), (14, 46120620), (15, 43045912), (20, 32284434), (21, 30747080), (24, 26903695), (26, 24834180), (28, 23060310), (30, 21522956), (35, 18448248), (39, 16556120), (40, 16142217), (42, 15373540), (49, 13177320), (52, 12417090), (56, 11530155), (60, 10761478), (65, 9933672), (70, 9224124), (78, 8278060), (84, 7686770), (91, 7095480), (98, 6588660), (104, 6208545), (105, 6149416), (120, 5380739), (130, 4966836), (140, 4612062), (147, 4392440), (156, 4139030), (168, 3843385), (182, 3547740), (195, 3311224), (196, 3294330), (210, 3074708), (245, 2635464), (260, 2483418), (273, 2365160), (280, 2306031), (294, 2196220), (312, 2069515), (364, 1773870), (390, 1655612), (392, 1647165), (420, 1537354), (455, 1419096), (490, 1317732), (520, 1241709), (546, 1182580), (588, 1098110), (637, 1013640), (728, 886935), (735, 878488), (780, 827806), (840, 768677), (910, 709548), (980, 658866), (1092, 591290), (1176, 549055), (1274, 506820), (1365, 473032), (1470, 439244), (1560, 413903), (1820, 354774), (1911, 337880), (1960, 329433), (2184, 295645), (2548, 253410), (2730, 236516), (2940, 219622), (3185, 202728), (3640, 177387), (3822, 168940), (5096, 126705), (5460, 118258), (5880, 109811), (6370, 101364), (7644, 84470), (8447, 76440), (9555, 67576), (10920, 59129), (12740, 50682), (15288, 42235), (16894, 38220), (19110, 33788), (25341, 25480)]