221426280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8663}}^1$

素因数の和:8751

約数の個数: 96

約数和(自身を含む): 729855360

約数和(自身を除く): 508429080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 8663, 12780, 17326, 25560, 25989, 34652, 43315, 51978, 69304, 77967, 86630, 103956, 129945, 155934, 173260, 207912, 259890, 311868, 346520, 389835, 519780, 615073, 623736, 779670, 1039560, 1230146, 1559340, 1845219, 2460292, 3075365, 3118680, 3690438, 4920584, 5535657, 6150730, 7380876, 9226095, 11071314, 12301460, 14761752, 18452190, 22142628, 24602920, 27678285, 36904380, 44285256, 55356570, 73808760, 110713140, 221426280]

約数ペア:

[(1, 221426280), (2, 110713140), (3, 73808760), (4, 55356570), (5, 44285256), (6, 36904380), (8, 27678285), (9, 24602920), (10, 22142628), (12, 18452190), (15, 14761752), (18, 12301460), (20, 11071314), (24, 9226095), (30, 7380876), (36, 6150730), (40, 5535657), (45, 4920584), (60, 3690438), (71, 3118680), (72, 3075365), (90, 2460292), (120, 1845219), (142, 1559340), (180, 1230146), (213, 1039560), (284, 779670), (355, 623736), (360, 615073), (426, 519780), (568, 389835), (639, 346520), (710, 311868), (852, 259890), (1065, 207912), (1278, 173260), (1420, 155934), (1704, 129945), (2130, 103956), (2556, 86630), (2840, 77967), (3195, 69304), (4260, 51978), (5112, 43315), (6390, 34652), (8520, 25989), (8663, 25560), (12780, 17326)]