89998680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 288722880

約数和(自身を除く): 198724200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 157, 170, 204, 255, 281, 314, 340, 408, 471, 510, 562, 628, 680, 785, 843, 942, 1020, 1124, 1256, 1405, 1570, 1686, 1884, 2040, 2248, 2355, 2669, 2810, 3140, 3372, 3768, 4215, 4710, 4777, 5338, 5620, 6280, 6744, 8007, 8430, 9420, 9554, 10676, 11240, 13345, 14331, 16014, 16860, 18840, 19108, 21352, 23885, 26690, 28662, 32028, 33720, 38216, 40035, 44117, 47770, 53380, 57324, 64056, 71655, 80070, 88234, 95540, 106760, 114648, 132351, 143310, 160140, 176468, 191080, 220585, 264702, 286620, 320280, 352936, 441170, 529404, 573240, 661755, 749989, 882340, 1058808, 1323510, 1499978, 1764680, 2249967, 2647020, 2999956, 3749945, 4499934, 5294040, 5999912, 7499890, 8999868, 11249835, 14999780, 17999736, 22499670, 29999560, 44999340, 89998680]

約数ペア:

[(1, 89998680), (2, 44999340), (3, 29999560), (4, 22499670), (5, 17999736), (6, 14999780), (8, 11249835), (10, 8999868), (12, 7499890), (15, 5999912), (17, 5294040), (20, 4499934), (24, 3749945), (30, 2999956), (34, 2647020), (40, 2249967), (51, 1764680), (60, 1499978), (68, 1323510), (85, 1058808), (102, 882340), (120, 749989), (136, 661755), (157, 573240), (170, 529404), (204, 441170), (255, 352936), (281, 320280), (314, 286620), (340, 264702), (408, 220585), (471, 191080), (510, 176468), (562, 160140), (628, 143310), (680, 132351), (785, 114648), (843, 106760), (942, 95540), (1020, 88234), (1124, 80070), (1256, 71655), (1405, 64056), (1570, 57324), (1686, 53380), (1884, 47770), (2040, 44117), (2248, 40035), (2355, 38216), (2669, 33720), (2810, 32028), (3140, 28662), (3372, 26690), (3768, 23885), (4215, 21352), (4710, 19108), (4777, 18840), (5338, 16860), (5620, 16014), (6280, 14331), (6744, 13345), (8007, 11240), (8430, 10676), (9420, 9554)]