7885780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 20643840

約数和(自身を除く): 12758060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 79, 92, 115, 124, 140, 155, 158, 161, 217, 230, 310, 316, 322, 395, 434, 460, 553, 620, 644, 713, 790, 805, 868, 1085, 1106, 1426, 1580, 1610, 1817, 2170, 2212, 2449, 2765, 2852, 3220, 3565, 3634, 4340, 4898, 4991, 5530, 7130, 7268, 9085, 9796, 9982, 11060, 12245, 12719, 14260, 17143, 18170, 19964, 24490, 24955, 25438, 34286, 36340, 48980, 49910, 50876, 56327, 63595, 68572, 85715, 99820, 112654, 127190, 171430, 225308, 254380, 281635, 342860, 394289, 563270, 788578, 1126540, 1577156, 1971445, 3942890, 7885780]

約数ペア:

[(1, 7885780), (2, 3942890), (4, 1971445), (5, 1577156), (7, 1126540), (10, 788578), (14, 563270), (20, 394289), (23, 342860), (28, 281635), (31, 254380), (35, 225308), (46, 171430), (62, 127190), (70, 112654), (79, 99820), (92, 85715), (115, 68572), (124, 63595), (140, 56327), (155, 50876), (158, 49910), (161, 48980), (217, 36340), (230, 34286), (310, 25438), (316, 24955), (322, 24490), (395, 19964), (434, 18170), (460, 17143), (553, 14260), (620, 12719), (644, 12245), (713, 11060), (790, 9982), (805, 9796), (868, 9085), (1085, 7268), (1106, 7130), (1426, 5530), (1580, 4991), (1610, 4898), (1817, 4340), (2170, 3634), (2212, 3565), (2449, 3220), (2765, 2852)]