87973040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1930

約数の個数: 80

約数和(自身を含む): 222366720

約数和(自身を除く): 134393680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1867, 2356, 2480, 2945, 3734, 4712, 5890, 7468, 9335, 9424, 11780, 14936, 18670, 23560, 29872, 35473, 37340, 47120, 57877, 70946, 74680, 115754, 141892, 149360, 177365, 231508, 283784, 289385, 354730, 463016, 567568, 578770, 709460, 926032, 1099663, 1157540, 1418920, 2199326, 2315080, 2837840, 4398652, 4630160, 5498315, 8797304, 10996630, 17594608, 21993260, 43986520, 87973040]

約数ペア:

[(1, 87973040), (2, 43986520), (4, 21993260), (5, 17594608), (8, 10996630), (10, 8797304), (16, 5498315), (19, 4630160), (20, 4398652), (31, 2837840), (38, 2315080), (40, 2199326), (62, 1418920), (76, 1157540), (80, 1099663), (95, 926032), (124, 709460), (152, 578770), (155, 567568), (190, 463016), (248, 354730), (304, 289385), (310, 283784), (380, 231508), (496, 177365), (589, 149360), (620, 141892), (760, 115754), (1178, 74680), (1240, 70946), (1520, 57877), (1867, 47120), (2356, 37340), (2480, 35473), (2945, 29872), (3734, 23560), (4712, 18670), (5890, 14936), (7468, 11780), (9335, 9424)]