2880551440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:845

約数の個数: 160

約数和(自身を含む): 7522956000

約数和(自身を除く): 4642404560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 149, 208, 232, 260, 290, 298, 377, 464, 520, 580, 596, 641, 745, 754, 1040, 1160, 1192, 1282, 1490, 1508, 1885, 1937, 2320, 2384, 2564, 2980, 3016, 3205, 3770, 3874, 4321, 5128, 5960, 6032, 6410, 7540, 7748, 8333, 8642, 9685, 10256, 11920, 12820, 15080, 15496, 16666, 17284, 18589, 19370, 21605, 25640, 30160, 30992, 33332, 34568, 37178, 38740, 41665, 43210, 51280, 56173, 66664, 69136, 74356, 77480, 83330, 86420, 92945, 95509, 112346, 133328, 148712, 154960, 166660, 172840, 185890, 191018, 224692, 241657, 280865, 297424, 333320, 345680, 371780, 382036, 449384, 477545, 483314, 561730, 666640, 743560, 764072, 898768, 955090, 966628, 1123460, 1208285, 1241617, 1487120, 1528144, 1910180, 1933256, 2246920, 2416570, 2483234, 2769761, 3820360, 3866512, 4493840, 4833140, 4966468, 5539522, 6208085, 7640720, 9666280, 9932936, 11079044, 12416170, 13848805, 19332560, 19865872, 22158088, 24832340, 27697610, 36006893, 44316176, 49664680, 55395220, 72013786, 99329360, 110790440, 144027572, 180034465, 221580880, 288055144, 360068930, 576110288, 720137860, 1440275720, 2880551440]

約数ペア:

[(1, 2880551440), (2, 1440275720), (4, 720137860), (5, 576110288), (8, 360068930), (10, 288055144), (13, 221580880), (16, 180034465), (20, 144027572), (26, 110790440), (29, 99329360), (40, 72013786), (52, 55395220), (58, 49664680), (65, 44316176), (80, 36006893), (104, 27697610), (116, 24832340), (130, 22158088), (145, 19865872), (149, 19332560), (208, 13848805), (232, 12416170), (260, 11079044), (290, 9932936), (298, 9666280), (377, 7640720), (464, 6208085), (520, 5539522), (580, 4966468), (596, 4833140), (641, 4493840), (745, 3866512), (754, 3820360), (1040, 2769761), (1160, 2483234), (1192, 2416570), (1282, 2246920), (1490, 1933256), (1508, 1910180), (1885, 1528144), (1937, 1487120), (2320, 1241617), (2384, 1208285), (2564, 1123460), (2980, 966628), (3016, 955090), (3205, 898768), (3770, 764072), (3874, 743560), (4321, 666640), (5128, 561730), (5960, 483314), (6032, 477545), (6410, 449384), (7540, 382036), (7748, 371780), (8333, 345680), (8642, 333320), (9685, 297424), (10256, 280865), (11920, 241657), (12820, 224692), (15080, 191018), (15496, 185890), (16666, 172840), (17284, 166660), (18589, 154960), (19370, 148712), (21605, 133328), (25640, 112346), (30160, 95509), (30992, 92945), (33332, 86420), (34568, 83330), (37178, 77480), (38740, 74356), (41665, 69136), (43210, 66664), (51280, 56173)]