8071440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 27230400

約数和(自身を除く): 19158960

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, 169, 195, 199, 208, 240, 260, 312, 338, 390, 398, 507, 520, 597, 624, 676, 780, 796, 845, 995, 1014, 1040, 1194, 1352, 1560, 1592, 1690, 1990, 2028, 2388, 2535, 2587, 2704, 2985, 3120, 3184, 3380, 3980, 4056, 4776, 5070, 5174, 5970, 6760, 7761, 7960, 8112, 9552, 10140, 10348, 11940, 12935, 13520, 15522, 15920, 20280, 20696, 23880, 25870, 31044, 33631, 38805, 40560, 41392, 47760, 51740, 62088, 67262, 77610, 100893, 103480, 124176, 134524, 155220, 168155, 201786, 206960, 269048, 310440, 336310, 403572, 504465, 538096, 620880, 672620, 807144, 1008930, 1345240, 1614288, 2017860, 2690480, 4035720, 8071440]

約数ペア:

[(1, 8071440), (2, 4035720), (3, 2690480), (4, 2017860), (5, 1614288), (6, 1345240), (8, 1008930), (10, 807144), (12, 672620), (13, 620880), (15, 538096), (16, 504465), (20, 403572), (24, 336310), (26, 310440), (30, 269048), (39, 206960), (40, 201786), (48, 168155), (52, 155220), (60, 134524), (65, 124176), (78, 103480), (80, 100893), (104, 77610), (120, 67262), (130, 62088), (156, 51740), (169, 47760), (195, 41392), (199, 40560), (208, 38805), (240, 33631), (260, 31044), (312, 25870), (338, 23880), (390, 20696), (398, 20280), (507, 15920), (520, 15522), (597, 13520), (624, 12935), (676, 11940), (780, 10348), (796, 10140), (845, 9552), (995, 8112), (1014, 7960), (1040, 7761), (1194, 6760), (1352, 5970), (1560, 5174), (1592, 5070), (1690, 4776), (1990, 4056), (2028, 3980), (2388, 3380), (2535, 3184), (2587, 3120), (2704, 2985)]