68677180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 178305120

約数和(自身を除く): 109627940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 59, 65, 74, 110, 118, 121, 130, 143, 148, 185, 220, 236, 242, 260, 286, 295, 370, 407, 481, 484, 572, 590, 605, 649, 715, 740, 767, 814, 962, 1180, 1210, 1298, 1430, 1534, 1573, 1628, 1924, 2035, 2183, 2405, 2420, 2596, 2860, 3068, 3146, 3245, 3835, 4070, 4366, 4477, 4810, 5291, 6292, 6490, 7139, 7670, 7865, 8140, 8437, 8732, 8954, 9620, 10582, 10915, 12980, 14278, 15340, 15730, 16874, 17908, 21164, 21830, 22385, 24013, 26455, 28379, 28556, 31460, 33748, 35695, 42185, 43660, 44770, 48026, 52910, 56758, 58201, 71390, 84370, 89540, 92807, 96052, 105820, 113516, 116402, 120065, 141895, 142780, 168740, 185614, 232804, 240130, 264143, 283790, 291005, 312169, 371228, 464035, 480260, 528286, 567580, 582010, 624338, 928070, 1056572, 1164020, 1248676, 1320715, 1560845, 1856140, 2641430, 3121690, 3433859, 5282860, 6243380, 6867718, 13735436, 17169295, 34338590, 68677180]

約数ペア:

[(1, 68677180), (2, 34338590), (4, 17169295), (5, 13735436), (10, 6867718), (11, 6243380), (13, 5282860), (20, 3433859), (22, 3121690), (26, 2641430), (37, 1856140), (44, 1560845), (52, 1320715), (55, 1248676), (59, 1164020), (65, 1056572), (74, 928070), (110, 624338), (118, 582010), (121, 567580), (130, 528286), (143, 480260), (148, 464035), (185, 371228), (220, 312169), (236, 291005), (242, 283790), (260, 264143), (286, 240130), (295, 232804), (370, 185614), (407, 168740), (481, 142780), (484, 141895), (572, 120065), (590, 116402), (605, 113516), (649, 105820), (715, 96052), (740, 92807), (767, 89540), (814, 84370), (962, 71390), (1180, 58201), (1210, 56758), (1298, 52910), (1430, 48026), (1534, 44770), (1573, 43660), (1628, 42185), (1924, 35695), (2035, 33748), (2183, 31460), (2405, 28556), (2420, 28379), (2596, 26455), (2860, 24013), (3068, 22385), (3146, 21830), (3245, 21164), (3835, 17908), (4070, 16874), (4366, 15730), (4477, 15340), (4810, 14278), (5291, 12980), (6292, 10915), (6490, 10582), (7139, 9620), (7670, 8954), (7865, 8732), (8140, 8437)]