87851820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 301593600

約数和(自身を除く): 213741780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 101, 105, 109, 114, 133, 140, 190, 202, 210, 218, 228, 266, 285, 303, 327, 380, 399, 404, 420, 436, 505, 532, 545, 570, 606, 654, 665, 707, 763, 798, 1010, 1090, 1140, 1212, 1308, 1330, 1414, 1515, 1526, 1596, 1635, 1919, 1995, 2020, 2071, 2121, 2180, 2289, 2660, 2828, 3030, 3052, 3270, 3535, 3815, 3838, 3990, 4142, 4242, 4578, 5757, 6060, 6213, 6540, 7070, 7630, 7676, 7980, 8284, 8484, 9156, 9595, 10355, 10605, 11009, 11445, 11514, 12426, 13433, 14140, 14497, 15260, 19190, 20710, 21210, 22018, 22890, 23028, 24852, 26866, 28785, 28994, 31065, 33027, 38380, 40299, 41420, 42420, 43491, 44036, 45780, 53732, 55045, 57570, 57988, 62130, 66054, 67165, 72485, 77063, 80598, 86982, 110090, 115140, 124260, 132108, 134330, 144970, 154126, 161196, 165135, 173964, 201495, 209171, 217455, 220180, 231189, 268660, 289940, 308252, 330270, 385315, 402990, 418342, 434910, 462378, 627513, 660540, 770630, 805980, 836684, 869820, 924756, 1045855, 1155945, 1255026, 1464197, 1541260, 2091710, 2311890, 2510052, 2928394, 3137565, 4183420, 4392591, 4623780, 5856788, 6275130, 7320985, 8785182, 12550260, 14641970, 17570364, 21962955, 29283940, 43925910, 87851820]

約数ペア:

[(1, 87851820), (2, 43925910), (3, 29283940), (4, 21962955), (5, 17570364), (6, 14641970), (7, 12550260), (10, 8785182), (12, 7320985), (14, 6275130), (15, 5856788), (19, 4623780), (20, 4392591), (21, 4183420), (28, 3137565), (30, 2928394), (35, 2510052), (38, 2311890), (42, 2091710), (57, 1541260), (60, 1464197), (70, 1255026), (76, 1155945), (84, 1045855), (95, 924756), (101, 869820), (105, 836684), (109, 805980), (114, 770630), (133, 660540), (140, 627513), (190, 462378), (202, 434910), (210, 418342), (218, 402990), (228, 385315), (266, 330270), (285, 308252), (303, 289940), (327, 268660), (380, 231189), (399, 220180), (404, 217455), (420, 209171), (436, 201495), (505, 173964), (532, 165135), (545, 161196), (570, 154126), (606, 144970), (654, 134330), (665, 132108), (707, 124260), (763, 115140), (798, 110090), (1010, 86982), (1090, 80598), (1140, 77063), (1212, 72485), (1308, 67165), (1330, 66054), (1414, 62130), (1515, 57988), (1526, 57570), (1596, 55045), (1635, 53732), (1919, 45780), (1995, 44036), (2020, 43491), (2071, 42420), (2121, 41420), (2180, 40299), (2289, 38380), (2660, 33027), (2828, 31065), (3030, 28994), (3052, 28785), (3270, 26866), (3535, 24852), (3815, 23028), (3838, 22890), (3990, 22018), (4142, 21210), (4242, 20710), (4578, 19190), (5757, 15260), (6060, 14497), (6213, 14140), (6540, 13433), (7070, 12426), (7630, 11514), (7676, 11445), (7980, 11009), (8284, 10605), (8484, 10355), (9156, 9595)]