67818080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 183399552

約数和(自身を除く): 115581472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 113, 121, 124, 155, 160, 176, 220, 226, 242, 248, 310, 341, 352, 440, 452, 484, 496, 565, 605, 620, 682, 880, 904, 968, 992, 1130, 1210, 1240, 1243, 1364, 1705, 1760, 1808, 1936, 2260, 2420, 2480, 2486, 2728, 3410, 3503, 3616, 3751, 3872, 4520, 4840, 4960, 4972, 5456, 6215, 6820, 7006, 7502, 9040, 9680, 9944, 10912, 12430, 13640, 13673, 14012, 15004, 17515, 18080, 18755, 19360, 19888, 24860, 27280, 27346, 28024, 30008, 35030, 37510, 38533, 39776, 49720, 54560, 54692, 56048, 60016, 68365, 70060, 75020, 77066, 99440, 109384, 112096, 120032, 136730, 140120, 150040, 154132, 192665, 198880, 218768, 273460, 280240, 300080, 308264, 385330, 423863, 437536, 546920, 560480, 600160, 616528, 770660, 847726, 1093840, 1233056, 1541320, 1695452, 2119315, 2187680, 3082640, 3390904, 4238630, 6165280, 6781808, 8477260, 13563616, 16954520, 33909040, 67818080]

約数ペア:

[(1, 67818080), (2, 33909040), (4, 16954520), (5, 13563616), (8, 8477260), (10, 6781808), (11, 6165280), (16, 4238630), (20, 3390904), (22, 3082640), (31, 2187680), (32, 2119315), (40, 1695452), (44, 1541320), (55, 1233056), (62, 1093840), (80, 847726), (88, 770660), (110, 616528), (113, 600160), (121, 560480), (124, 546920), (155, 437536), (160, 423863), (176, 385330), (220, 308264), (226, 300080), (242, 280240), (248, 273460), (310, 218768), (341, 198880), (352, 192665), (440, 154132), (452, 150040), (484, 140120), (496, 136730), (565, 120032), (605, 112096), (620, 109384), (682, 99440), (880, 77066), (904, 75020), (968, 70060), (992, 68365), (1130, 60016), (1210, 56048), (1240, 54692), (1243, 54560), (1364, 49720), (1705, 39776), (1760, 38533), (1808, 37510), (1936, 35030), (2260, 30008), (2420, 28024), (2480, 27346), (2486, 27280), (2728, 24860), (3410, 19888), (3503, 19360), (3616, 18755), (3751, 18080), (3872, 17515), (4520, 15004), (4840, 14012), (4960, 13673), (4972, 13640), (5456, 12430), (6215, 10912), (6820, 9944), (7006, 9680), (7502, 9040)]