78385840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 213736320

約数和(自身を除く): 135350480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 29, 40, 46, 52, 58, 65, 80, 92, 104, 113, 115, 116, 130, 145, 184, 208, 226, 230, 232, 260, 290, 299, 368, 377, 452, 460, 464, 520, 565, 580, 598, 667, 754, 904, 920, 1040, 1130, 1160, 1196, 1334, 1469, 1495, 1508, 1808, 1840, 1885, 2260, 2320, 2392, 2599, 2668, 2938, 2990, 3016, 3277, 3335, 3770, 4520, 4784, 5198, 5336, 5876, 5980, 6032, 6554, 6670, 7345, 7540, 8671, 9040, 10396, 10672, 11752, 11960, 12995, 13108, 13340, 14690, 15080, 16385, 17342, 20792, 23504, 23920, 25990, 26216, 26680, 29380, 30160, 32770, 33787, 34684, 41584, 42601, 43355, 51980, 52432, 53360, 58760, 65540, 67574, 69368, 75371, 85202, 86710, 103960, 117520, 131080, 135148, 138736, 150742, 168935, 170404, 173420, 207920, 213005, 262160, 270296, 301484, 337870, 340808, 346840, 376855, 426010, 540592, 602968, 675740, 681616, 693680, 753710, 852020, 979823, 1205936, 1351480, 1507420, 1704040, 1959646, 2702960, 3014840, 3408080, 3919292, 4899115, 6029680, 7838584, 9798230, 15677168, 19596460, 39192920, 78385840]

約数ペア:

[(1, 78385840), (2, 39192920), (4, 19596460), (5, 15677168), (8, 9798230), (10, 7838584), (13, 6029680), (16, 4899115), (20, 3919292), (23, 3408080), (26, 3014840), (29, 2702960), (40, 1959646), (46, 1704040), (52, 1507420), (58, 1351480), (65, 1205936), (80, 979823), (92, 852020), (104, 753710), (113, 693680), (115, 681616), (116, 675740), (130, 602968), (145, 540592), (184, 426010), (208, 376855), (226, 346840), (230, 340808), (232, 337870), (260, 301484), (290, 270296), (299, 262160), (368, 213005), (377, 207920), (452, 173420), (460, 170404), (464, 168935), (520, 150742), (565, 138736), (580, 135148), (598, 131080), (667, 117520), (754, 103960), (904, 86710), (920, 85202), (1040, 75371), (1130, 69368), (1160, 67574), (1196, 65540), (1334, 58760), (1469, 53360), (1495, 52432), (1508, 51980), (1808, 43355), (1840, 42601), (1885, 41584), (2260, 34684), (2320, 33787), (2392, 32770), (2599, 30160), (2668, 29380), (2938, 26680), (2990, 26216), (3016, 25990), (3277, 23920), (3335, 23504), (3770, 20792), (4520, 17342), (4784, 16385), (5198, 15080), (5336, 14690), (5876, 13340), (5980, 13108), (6032, 12995), (6554, 11960), (6670, 11752), (7345, 10672), (7540, 10396), (8671, 9040)]