78907920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3613}}^1$

素因数の和:3649

約数の個数: 160

約数和(自身を含む): 301147392

約数和(自身を除く): 222239472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3613, 3640, 4368, 5460, 7226, 7280, 10839, 10920, 14452, 18065, 21678, 21840, 25291, 28904, 36130, 43356, 46969, 50582, 54195, 57808, 72260, 75873, 86712, 93938, 101164, 108390, 126455, 140907, 144520, 151746, 173424, 187876, 202328, 216780, 234845, 252910, 281814, 289040, 303492, 328783, 375752, 379365, 404656, 433560, 469690, 505820, 563628, 606984, 657566, 704535, 751504, 758730, 867120, 939380, 986349, 1011640, 1127256, 1213968, 1315132, 1409070, 1517460, 1643915, 1878760, 1972698, 2023280, 2254512, 2630264, 2818140, 3034920, 3287830, 3757520, 3945396, 4931745, 5260528, 5636280, 6069840, 6575660, 7890792, 9863490, 11272560, 13151320, 15781584, 19726980, 26302640, 39453960, 78907920]

約数ペア:

[(1, 78907920), (2, 39453960), (3, 26302640), (4, 19726980), (5, 15781584), (6, 13151320), (7, 11272560), (8, 9863490), (10, 7890792), (12, 6575660), (13, 6069840), (14, 5636280), (15, 5260528), (16, 4931745), (20, 3945396), (21, 3757520), (24, 3287830), (26, 3034920), (28, 2818140), (30, 2630264), (35, 2254512), (39, 2023280), (40, 1972698), (42, 1878760), (48, 1643915), (52, 1517460), (56, 1409070), (60, 1315132), (65, 1213968), (70, 1127256), (78, 1011640), (80, 986349), (84, 939380), (91, 867120), (104, 758730), (105, 751504), (112, 704535), (120, 657566), (130, 606984), (140, 563628), (156, 505820), (168, 469690), (182, 433560), (195, 404656), (208, 379365), (210, 375752), (240, 328783), (260, 303492), (273, 289040), (280, 281814), (312, 252910), (336, 234845), (364, 216780), (390, 202328), (420, 187876), (455, 173424), (520, 151746), (546, 144520), (560, 140907), (624, 126455), (728, 108390), (780, 101164), (840, 93938), (910, 86712), (1040, 75873), (1092, 72260), (1365, 57808), (1456, 54195), (1560, 50582), (1680, 46969), (1820, 43356), (2184, 36130), (2730, 28904), (3120, 25291), (3613, 21840), (3640, 21678), (4368, 18065), (5460, 14452), (7226, 10920), (7280, 10839)]