221979420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 192

約数和(自身を含む): 753392640

約数和(自身を除く): 531413220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 103, 108, 117, 130, 135, 156, 180, 195, 206, 234, 260, 270, 307, 309, 351, 390, 412, 468, 515, 540, 585, 614, 618, 702, 780, 921, 927, 1030, 1170, 1228, 1236, 1339, 1404, 1535, 1545, 1755, 1842, 1854, 2060, 2340, 2678, 2763, 2781, 3070, 3090, 3510, 3684, 3708, 3991, 4017, 4605, 4635, 5356, 5526, 5562, 6140, 6180, 6695, 7020, 7982, 8034, 8289, 9210, 9270, 11052, 11124, 11973, 12051, 13390, 13815, 13905, 15964, 16068, 16578, 18420, 18540, 19955, 20085, 23946, 24102, 26780, 27630, 27810, 31621, 33156, 35919, 36153, 39910, 40170, 41445, 47892, 48204, 55260, 55620, 59865, 60255, 63242, 71838, 72306, 79820, 80340, 82890, 94863, 107757, 119730, 120510, 126484, 143676, 144612, 158105, 165780, 179595, 180765, 189726, 215514, 239460, 241020, 284589, 316210, 359190, 361530, 379452, 411073, 431028, 474315, 538785, 569178, 632420, 718380, 723060, 822146, 853767, 948630, 1077570, 1138356, 1233219, 1422945, 1644292, 1707534, 1897260, 2055365, 2155140, 2466438, 2845890, 3415068, 3699657, 4110730, 4268835, 4932876, 5691780, 6166095, 7399314, 8221460, 8537670, 11098971, 12332190, 14798628, 17075340, 18498285, 22197942, 24664380, 36996570, 44395884, 55494855, 73993140, 110989710, 221979420]

約数ペア:

[(1, 221979420), (2, 110989710), (3, 73993140), (4, 55494855), (5, 44395884), (6, 36996570), (9, 24664380), (10, 22197942), (12, 18498285), (13, 17075340), (15, 14798628), (18, 12332190), (20, 11098971), (26, 8537670), (27, 8221460), (30, 7399314), (36, 6166095), (39, 5691780), (45, 4932876), (52, 4268835), (54, 4110730), (60, 3699657), (65, 3415068), (78, 2845890), (90, 2466438), (103, 2155140), (108, 2055365), (117, 1897260), (130, 1707534), (135, 1644292), (156, 1422945), (180, 1233219), (195, 1138356), (206, 1077570), (234, 948630), (260, 853767), (270, 822146), (307, 723060), (309, 718380), (351, 632420), (390, 569178), (412, 538785), (468, 474315), (515, 431028), (540, 411073), (585, 379452), (614, 361530), (618, 359190), (702, 316210), (780, 284589), (921, 241020), (927, 239460), (1030, 215514), (1170, 189726), (1228, 180765), (1236, 179595), (1339, 165780), (1404, 158105), (1535, 144612), (1545, 143676), (1755, 126484), (1842, 120510), (1854, 119730), (2060, 107757), (2340, 94863), (2678, 82890), (2763, 80340), (2781, 79820), (3070, 72306), (3090, 71838), (3510, 63242), (3684, 60255), (3708, 59865), (3991, 55620), (4017, 55260), (4605, 48204), (4635, 47892), (5356, 41445), (5526, 40170), (5562, 39910), (6140, 36153), (6180, 35919), (6695, 33156), (7020, 31621), (7982, 27810), (8034, 27630), (8289, 26780), (9210, 24102), (9270, 23946), (11052, 20085), (11124, 19955), (11973, 18540), (12051, 18420), (13390, 16578), (13815, 16068), (13905, 15964)]