27782560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 76617576

約数和(自身を除く): 48835016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 160, 185, 190, 208, 247, 260, 296, 304, 361, 370, 380, 416, 481, 494, 520, 592, 608, 703, 722, 740, 760, 962, 988, 1040, 1184, 1235, 1406, 1444, 1480, 1520, 1805, 1924, 1976, 2080, 2405, 2470, 2812, 2888, 2960, 3040, 3515, 3610, 3848, 3952, 4693, 4810, 4940, 5624, 5776, 5920, 7030, 7220, 7696, 7904, 9139, 9386, 9620, 9880, 11248, 11552, 13357, 14060, 14440, 15392, 18278, 18772, 19240, 19760, 22496, 23465, 26714, 28120, 28880, 36556, 37544, 38480, 39520, 45695, 46930, 53428, 56240, 57760, 66785, 73112, 75088, 76960, 91390, 93860, 106856, 112480, 133570, 146224, 150176, 173641, 182780, 187720, 213712, 267140, 292448, 347282, 365560, 375440, 427424, 534280, 694564, 731120, 750880, 868205, 1068560, 1389128, 1462240, 1736410, 2137120, 2778256, 3472820, 5556512, 6945640, 13891280, 27782560]

約数ペア:

[(1, 27782560), (2, 13891280), (4, 6945640), (5, 5556512), (8, 3472820), (10, 2778256), (13, 2137120), (16, 1736410), (19, 1462240), (20, 1389128), (26, 1068560), (32, 868205), (37, 750880), (38, 731120), (40, 694564), (52, 534280), (65, 427424), (74, 375440), (76, 365560), (80, 347282), (95, 292448), (104, 267140), (130, 213712), (148, 187720), (152, 182780), (160, 173641), (185, 150176), (190, 146224), (208, 133570), (247, 112480), (260, 106856), (296, 93860), (304, 91390), (361, 76960), (370, 75088), (380, 73112), (416, 66785), (481, 57760), (494, 56240), (520, 53428), (592, 46930), (608, 45695), (703, 39520), (722, 38480), (740, 37544), (760, 36556), (962, 28880), (988, 28120), (1040, 26714), (1184, 23465), (1235, 22496), (1406, 19760), (1444, 19240), (1480, 18772), (1520, 18278), (1805, 15392), (1924, 14440), (1976, 14060), (2080, 13357), (2405, 11552), (2470, 11248), (2812, 9880), (2888, 9620), (2960, 9386), (3040, 9139), (3515, 7904), (3610, 7696), (3848, 7220), (3952, 7030), (4693, 5920), (4810, 5776), (4940, 5624)]