86855720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 240744960

約数和(自身を除く): 153889240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 136, 140, 142, 170, 238, 257, 280, 284, 340, 355, 476, 497, 514, 568, 595, 680, 710, 952, 994, 1028, 1190, 1207, 1285, 1420, 1799, 1988, 2056, 2380, 2414, 2485, 2570, 2840, 3598, 3976, 4369, 4760, 4828, 4970, 5140, 6035, 7196, 8449, 8738, 8995, 9656, 9940, 10280, 12070, 14392, 16898, 17476, 17990, 18247, 19880, 21845, 24140, 30583, 33796, 34952, 35980, 36494, 42245, 43690, 48280, 61166, 67592, 71960, 72988, 84490, 87380, 91235, 122332, 127729, 145976, 152915, 168980, 174760, 182470, 244664, 255458, 305830, 310199, 337960, 364940, 510916, 611660, 620398, 638645, 729880, 1021832, 1223320, 1240796, 1277290, 1550995, 2171393, 2481592, 2554580, 3101990, 4342786, 5109160, 6203980, 8685572, 10856965, 12407960, 17371144, 21713930, 43427860, 86855720]

約数ペア:

[(1, 86855720), (2, 43427860), (4, 21713930), (5, 17371144), (7, 12407960), (8, 10856965), (10, 8685572), (14, 6203980), (17, 5109160), (20, 4342786), (28, 3101990), (34, 2554580), (35, 2481592), (40, 2171393), (56, 1550995), (68, 1277290), (70, 1240796), (71, 1223320), (85, 1021832), (119, 729880), (136, 638645), (140, 620398), (142, 611660), (170, 510916), (238, 364940), (257, 337960), (280, 310199), (284, 305830), (340, 255458), (355, 244664), (476, 182470), (497, 174760), (514, 168980), (568, 152915), (595, 145976), (680, 127729), (710, 122332), (952, 91235), (994, 87380), (1028, 84490), (1190, 72988), (1207, 71960), (1285, 67592), (1420, 61166), (1799, 48280), (1988, 43690), (2056, 42245), (2380, 36494), (2414, 35980), (2485, 34952), (2570, 33796), (2840, 30583), (3598, 24140), (3976, 21845), (4369, 19880), (4760, 18247), (4828, 17990), (4970, 17476), (5140, 16898), (6035, 14392), (7196, 12070), (8449, 10280), (8738, 9940), (8995, 9656)]