819793520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16087}}^1$

素因数の和:16127

約数の個数: 120

約数和(自身を含む): 2387909664

約数和(自身を除く): 1568116144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 5096, 6370, 7280, 10192, 12740, 16087, 25480, 32174, 50960, 64348, 80435, 112609, 128696, 160870, 209131, 225218, 257392, 321740, 418262, 450436, 563045, 643480, 788263, 836524, 900872, 1045655, 1126090, 1286960, 1463917, 1576526, 1673048, 1801744, 2091310, 2252180, 2927834, 3153052, 3346096, 3941315, 4182620, 4504360, 5855668, 6306104, 7319585, 7882630, 8365240, 9008720, 10247419, 11711336, 12612208, 14639170, 15765260, 16730480, 20494838, 23422672, 29278340, 31530520, 40989676, 51237095, 58556680, 63061040, 81979352, 102474190, 117113360, 163958704, 204948380, 409896760, 819793520]

約数ペア:

[(1, 819793520), (2, 409896760), (4, 204948380), (5, 163958704), (7, 117113360), (8, 102474190), (10, 81979352), (13, 63061040), (14, 58556680), (16, 51237095), (20, 40989676), (26, 31530520), (28, 29278340), (35, 23422672), (40, 20494838), (49, 16730480), (52, 15765260), (56, 14639170), (65, 12612208), (70, 11711336), (80, 10247419), (91, 9008720), (98, 8365240), (104, 7882630), (112, 7319585), (130, 6306104), (140, 5855668), (182, 4504360), (196, 4182620), (208, 3941315), (245, 3346096), (260, 3153052), (280, 2927834), (364, 2252180), (392, 2091310), (455, 1801744), (490, 1673048), (520, 1576526), (560, 1463917), (637, 1286960), (728, 1126090), (784, 1045655), (910, 900872), (980, 836524), (1040, 788263), (1274, 643480), (1456, 563045), (1820, 450436), (1960, 418262), (2548, 321740), (3185, 257392), (3640, 225218), (3920, 209131), (5096, 160870), (6370, 128696), (7280, 112609), (10192, 80435), (12740, 64348), (16087, 50960), (25480, 32174)]