234863440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 655958016

約数和(自身を除く): 421094576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 83, 112, 124, 140, 155, 163, 166, 217, 248, 280, 310, 326, 332, 415, 434, 496, 560, 581, 620, 652, 664, 815, 830, 868, 1085, 1141, 1162, 1240, 1304, 1328, 1630, 1660, 1736, 2170, 2282, 2324, 2480, 2573, 2608, 2905, 3260, 3320, 3472, 4340, 4564, 4648, 5053, 5146, 5705, 5810, 6520, 6640, 8680, 9128, 9296, 10106, 10292, 11410, 11620, 12865, 13040, 13529, 17360, 18011, 18256, 20212, 20584, 22820, 23240, 25265, 25730, 27058, 35371, 36022, 40424, 41168, 45640, 46480, 50530, 51460, 54116, 67645, 70742, 72044, 80848, 90055, 91280, 94703, 101060, 102920, 108232, 135290, 141484, 144088, 176855, 180110, 189406, 202120, 205840, 216464, 270580, 282968, 288176, 353710, 360220, 378812, 404240, 419399, 473515, 541160, 565936, 707420, 720440, 757624, 838798, 947030, 1082320, 1414840, 1440880, 1515248, 1677596, 1894060, 2096995, 2829680, 2935793, 3355192, 3788120, 4193990, 5871586, 6710384, 7576240, 8387980, 11743172, 14678965, 16775960, 23486344, 29357930, 33551920, 46972688, 58715860, 117431720, 234863440]

約数ペア:

[(1, 234863440), (2, 117431720), (4, 58715860), (5, 46972688), (7, 33551920), (8, 29357930), (10, 23486344), (14, 16775960), (16, 14678965), (20, 11743172), (28, 8387980), (31, 7576240), (35, 6710384), (40, 5871586), (56, 4193990), (62, 3788120), (70, 3355192), (80, 2935793), (83, 2829680), (112, 2096995), (124, 1894060), (140, 1677596), (155, 1515248), (163, 1440880), (166, 1414840), (217, 1082320), (248, 947030), (280, 838798), (310, 757624), (326, 720440), (332, 707420), (415, 565936), (434, 541160), (496, 473515), (560, 419399), (581, 404240), (620, 378812), (652, 360220), (664, 353710), (815, 288176), (830, 282968), (868, 270580), (1085, 216464), (1141, 205840), (1162, 202120), (1240, 189406), (1304, 180110), (1328, 176855), (1630, 144088), (1660, 141484), (1736, 135290), (2170, 108232), (2282, 102920), (2324, 101060), (2480, 94703), (2573, 91280), (2608, 90055), (2905, 80848), (3260, 72044), (3320, 70742), (3472, 67645), (4340, 54116), (4564, 51460), (4648, 50530), (5053, 46480), (5146, 45640), (5705, 41168), (5810, 40424), (6520, 36022), (6640, 35371), (8680, 27058), (9128, 25730), (9296, 25265), (10106, 23240), (10292, 22820), (11410, 20584), (11620, 20212), (12865, 18256), (13040, 18011), (13529, 17360)]