206566640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 577867776

約数和(自身を除く): 371301136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 163, 217, 248, 280, 292, 310, 326, 365, 434, 496, 511, 560, 584, 620, 652, 730, 815, 868, 1022, 1085, 1141, 1168, 1240, 1304, 1460, 1630, 1736, 2044, 2170, 2263, 2282, 2480, 2555, 2608, 2920, 3260, 3472, 4088, 4340, 4526, 4564, 5053, 5110, 5705, 5840, 6520, 8176, 8680, 9052, 9128, 10106, 10220, 11315, 11410, 11899, 13040, 15841, 17360, 18104, 18256, 20212, 20440, 22630, 22820, 23798, 25265, 31682, 35371, 36208, 40424, 40880, 45260, 45640, 47596, 50530, 59495, 63364, 70742, 79205, 80848, 83293, 90520, 91280, 95192, 101060, 118990, 126728, 141484, 158410, 166586, 176855, 181040, 190384, 202120, 237980, 253456, 282968, 316820, 333172, 353710, 368869, 404240, 416465, 475960, 565936, 633640, 666344, 707420, 737738, 832930, 951920, 1267280, 1332688, 1414840, 1475476, 1665860, 1844345, 2582083, 2829680, 2950952, 3331720, 3688690, 5164166, 5901904, 6663440, 7377380, 10328332, 12910415, 14754760, 20656664, 25820830, 29509520, 41313328, 51641660, 103283320, 206566640]

約数ペア:

[(1, 206566640), (2, 103283320), (4, 51641660), (5, 41313328), (7, 29509520), (8, 25820830), (10, 20656664), (14, 14754760), (16, 12910415), (20, 10328332), (28, 7377380), (31, 6663440), (35, 5901904), (40, 5164166), (56, 3688690), (62, 3331720), (70, 2950952), (73, 2829680), (80, 2582083), (112, 1844345), (124, 1665860), (140, 1475476), (146, 1414840), (155, 1332688), (163, 1267280), (217, 951920), (248, 832930), (280, 737738), (292, 707420), (310, 666344), (326, 633640), (365, 565936), (434, 475960), (496, 416465), (511, 404240), (560, 368869), (584, 353710), (620, 333172), (652, 316820), (730, 282968), (815, 253456), (868, 237980), (1022, 202120), (1085, 190384), (1141, 181040), (1168, 176855), (1240, 166586), (1304, 158410), (1460, 141484), (1630, 126728), (1736, 118990), (2044, 101060), (2170, 95192), (2263, 91280), (2282, 90520), (2480, 83293), (2555, 80848), (2608, 79205), (2920, 70742), (3260, 63364), (3472, 59495), (4088, 50530), (4340, 47596), (4526, 45640), (4564, 45260), (5053, 40880), (5110, 40424), (5705, 36208), (5840, 35371), (6520, 31682), (8176, 25265), (8680, 23798), (9052, 22820), (9128, 22630), (10106, 20440), (10220, 20212), (11315, 18256), (11410, 18104), (11899, 17360), (13040, 15841)]