215935440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1729

約数の個数: 160

約数和(自身を含む): 775188480

約数和(自身を除く): 559253040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1627, 1659, 1680, 1896, 2212, 2370, 2765, 3160, 3254, 3318, 3792, 4424, 4740, 4881, 5530, 6320, 6508, 6636, 8135, 8295, 8848, 9480, 9762, 11060, 11389, 13016, 13272, 16270, 16590, 18960, 19524, 22120, 22778, 24405, 26032, 26544, 32540, 33180, 34167, 39048, 44240, 45556, 48810, 56945, 65080, 66360, 68334, 78096, 91112, 97620, 113890, 128533, 130160, 132720, 136668, 170835, 182224, 195240, 227780, 257066, 273336, 341670, 385599, 390480, 455560, 514132, 546672, 642665, 683340, 771198, 899731, 911120, 1028264, 1285330, 1366680, 1542396, 1799462, 1927995, 2056528, 2570660, 2699193, 2733360, 3084792, 3598924, 3855990, 4498655, 5141320, 5398386, 6169584, 7197848, 7711980, 8997310, 10282640, 10796772, 13495965, 14395696, 15423960, 17994620, 21593544, 26991930, 30847920, 35989240, 43187088, 53983860, 71978480, 107967720, 215935440]

約数ペア:

[(1, 215935440), (2, 107967720), (3, 71978480), (4, 53983860), (5, 43187088), (6, 35989240), (7, 30847920), (8, 26991930), (10, 21593544), (12, 17994620), (14, 15423960), (15, 14395696), (16, 13495965), (20, 10796772), (21, 10282640), (24, 8997310), (28, 7711980), (30, 7197848), (35, 6169584), (40, 5398386), (42, 5141320), (48, 4498655), (56, 3855990), (60, 3598924), (70, 3084792), (79, 2733360), (80, 2699193), (84, 2570660), (105, 2056528), (112, 1927995), (120, 1799462), (140, 1542396), (158, 1366680), (168, 1285330), (210, 1028264), (237, 911120), (240, 899731), (280, 771198), (316, 683340), (336, 642665), (395, 546672), (420, 514132), (474, 455560), (553, 390480), (560, 385599), (632, 341670), (790, 273336), (840, 257066), (948, 227780), (1106, 195240), (1185, 182224), (1264, 170835), (1580, 136668), (1627, 132720), (1659, 130160), (1680, 128533), (1896, 113890), (2212, 97620), (2370, 91112), (2765, 78096), (3160, 68334), (3254, 66360), (3318, 65080), (3792, 56945), (4424, 48810), (4740, 45556), (4881, 44240), (5530, 39048), (6320, 34167), (6508, 33180), (6636, 32540), (8135, 26544), (8295, 26032), (8848, 24405), (9480, 22778), (9762, 22120), (11060, 19524), (11389, 18960), (13016, 16590), (13272, 16270)]