78285480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 256

約数和(自身を含む): 296110080

約数和(自身を除く): 217824600

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, 52, 56, 60, 65, 67, 70, 78, 84, 91, 104, 105, 107, 120, 130, 134, 140, 156, 168, 182, 195, 201, 210, 214, 260, 268, 273, 280, 312, 321, 335, 364, 390, 402, 420, 428, 455, 469, 520, 535, 536, 546, 642, 670, 728, 749, 780, 804, 840, 856, 871, 910, 938, 1005, 1070, 1092, 1284, 1340, 1365, 1391, 1407, 1498, 1560, 1605, 1608, 1742, 1820, 1876, 2010, 2140, 2184, 2247, 2345, 2568, 2613, 2680, 2730, 2782, 2814, 2996, 3210, 3484, 3640, 3745, 3752, 4020, 4173, 4280, 4355, 4494, 4690, 5226, 5460, 5564, 5628, 5992, 6097, 6420, 6955, 6968, 7035, 7169, 7490, 8040, 8346, 8710, 8988, 9380, 9737, 10452, 10920, 11128, 11235, 11256, 12194, 12840, 13065, 13910, 14070, 14338, 14980, 16692, 17420, 17976, 18291, 18760, 19474, 20865, 20904, 21507, 22470, 24388, 26130, 27820, 28140, 28676, 29211, 29960, 30485, 33384, 34840, 35845, 36582, 38948, 41730, 43014, 44940, 48685, 48776, 50183, 52260, 55640, 56280, 57352, 58422, 60970, 71690, 73164, 77896, 83460, 86028, 89880, 91455, 93197, 97370, 100366, 104520, 107535, 116844, 121940, 143380, 146055, 146328, 150549, 166920, 172056, 182910, 186394, 194740, 200732, 215070, 233688, 243880, 250915, 279591, 286760, 292110, 301098, 365820, 372788, 389480, 401464, 430140, 465985, 501830, 559182, 584220, 602196, 652379, 731640, 745576, 752745, 860280, 931970, 1003660, 1118364, 1168440, 1204392, 1304758, 1397955, 1505490, 1863940, 1957137, 2007320, 2236728, 2609516, 2795910, 3010980, 3261895, 3727880, 3914274, 5219032, 5591820, 6021960, 6523790, 7828548, 9785685, 11183640, 13047580, 15657096, 19571370, 26095160, 39142740, 78285480]

約数ペア:

[(1, 78285480), (2, 39142740), (3, 26095160), (4, 19571370), (5, 15657096), (6, 13047580), (7, 11183640), (8, 9785685), (10, 7828548), (12, 6523790), (13, 6021960), (14, 5591820), (15, 5219032), (20, 3914274), (21, 3727880), (24, 3261895), (26, 3010980), (28, 2795910), (30, 2609516), (35, 2236728), (39, 2007320), (40, 1957137), (42, 1863940), (52, 1505490), (56, 1397955), (60, 1304758), (65, 1204392), (67, 1168440), (70, 1118364), (78, 1003660), (84, 931970), (91, 860280), (104, 752745), (105, 745576), (107, 731640), (120, 652379), (130, 602196), (134, 584220), (140, 559182), (156, 501830), (168, 465985), (182, 430140), (195, 401464), (201, 389480), (210, 372788), (214, 365820), (260, 301098), (268, 292110), (273, 286760), (280, 279591), (312, 250915), (321, 243880), (335, 233688), (364, 215070), (390, 200732), (402, 194740), (420, 186394), (428, 182910), (455, 172056), (469, 166920), (520, 150549), (535, 146328), (536, 146055), (546, 143380), (642, 121940), (670, 116844), (728, 107535), (749, 104520), (780, 100366), (804, 97370), (840, 93197), (856, 91455), (871, 89880), (910, 86028), (938, 83460), (1005, 77896), (1070, 73164), (1092, 71690), (1284, 60970), (1340, 58422), (1365, 57352), (1391, 56280), (1407, 55640), (1498, 52260), (1560, 50183), (1605, 48776), (1608, 48685), (1742, 44940), (1820, 43014), (1876, 41730), (2010, 38948), (2140, 36582), (2184, 35845), (2247, 34840), (2345, 33384), (2568, 30485), (2613, 29960), (2680, 29211), (2730, 28676), (2782, 28140), (2814, 27820), (2996, 26130), (3210, 24388), (3484, 22470), (3640, 21507), (3745, 20904), (3752, 20865), (4020, 19474), (4173, 18760), (4280, 18291), (4355, 17976), (4494, 17420), (4690, 16692), (5226, 14980), (5460, 14338), (5564, 14070), (5628, 13910), (5992, 13065), (6097, 12840), (6420, 12194), (6955, 11256), (6968, 11235), (7035, 11128), (7169, 10920), (7490, 10452), (8040, 9737), (8346, 9380), (8710, 8988)]