64513440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:723

約数の個数: 144

約数和(自身を含む): 223606656

約数和(自身を除く): 159093216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 631, 639, 710, 720, 852, 1065, 1136, 1262, 1278, 1420, 1440, 1704, 1893, 2130, 2272, 2524, 2556, 2840, 3155, 3195, 3408, 3786, 4260, 5048, 5112, 5679, 5680, 6310, 6390, 6816, 7572, 8520, 9465, 10096, 10224, 11358, 11360, 12620, 12780, 15144, 17040, 18930, 20192, 20448, 22716, 25240, 25560, 28395, 30288, 34080, 37860, 44801, 45432, 50480, 51120, 56790, 60576, 75720, 89602, 90864, 100960, 102240, 113580, 134403, 151440, 179204, 181728, 224005, 227160, 268806, 302880, 358408, 403209, 448010, 454320, 537612, 672015, 716816, 806418, 896020, 908640, 1075224, 1344030, 1433632, 1612836, 1792040, 2016045, 2150448, 2688060, 3225672, 3584080, 4032090, 4300896, 5376120, 6451344, 7168160, 8064180, 10752240, 12902688, 16128360, 21504480, 32256720, 64513440]

約数ペア:

[(1, 64513440), (2, 32256720), (3, 21504480), (4, 16128360), (5, 12902688), (6, 10752240), (8, 8064180), (9, 7168160), (10, 6451344), (12, 5376120), (15, 4300896), (16, 4032090), (18, 3584080), (20, 3225672), (24, 2688060), (30, 2150448), (32, 2016045), (36, 1792040), (40, 1612836), (45, 1433632), (48, 1344030), (60, 1075224), (71, 908640), (72, 896020), (80, 806418), (90, 716816), (96, 672015), (120, 537612), (142, 454320), (144, 448010), (160, 403209), (180, 358408), (213, 302880), (240, 268806), (284, 227160), (288, 224005), (355, 181728), (360, 179204), (426, 151440), (480, 134403), (568, 113580), (631, 102240), (639, 100960), (710, 90864), (720, 89602), (852, 75720), (1065, 60576), (1136, 56790), (1262, 51120), (1278, 50480), (1420, 45432), (1440, 44801), (1704, 37860), (1893, 34080), (2130, 30288), (2272, 28395), (2524, 25560), (2556, 25240), (2840, 22716), (3155, 20448), (3195, 20192), (3408, 18930), (3786, 17040), (4260, 15144), (5048, 12780), (5112, 12620), (5679, 11360), (5680, 11358), (6310, 10224), (6390, 10096), (6816, 9465), (7572, 8520)]