821474160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263293}}^1$

素因数の和:263322

約数の個数: 80

約数和(自身を含む): 2742470304

約数和(自身を除く): 1920996144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 263293, 526586, 789879, 1053172, 1316465, 1579758, 2106344, 2632930, 3159516, 3422809, 3949395, 4212688, 5265860, 6319032, 6845618, 7898790, 10268427, 10531720, 12638064, 13691236, 15797580, 17114045, 20536854, 21063440, 27382472, 31595160, 34228090, 41073708, 51342135, 54764944, 63190320, 68456180, 82147416, 102684270, 136912360, 164294832, 205368540, 273824720, 410737080, 821474160]

約数ペア:

[(1, 821474160), (2, 410737080), (3, 273824720), (4, 205368540), (5, 164294832), (6, 136912360), (8, 102684270), (10, 82147416), (12, 68456180), (13, 63190320), (15, 54764944), (16, 51342135), (20, 41073708), (24, 34228090), (26, 31595160), (30, 27382472), (39, 21063440), (40, 20536854), (48, 17114045), (52, 15797580), (60, 13691236), (65, 12638064), (78, 10531720), (80, 10268427), (104, 7898790), (120, 6845618), (130, 6319032), (156, 5265860), (195, 4212688), (208, 3949395), (240, 3422809), (260, 3159516), (312, 2632930), (390, 2106344), (520, 1579758), (624, 1316465), (780, 1053172), (1040, 789879), (1560, 526586), (3120, 263293)]