668143980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8693}}^1$

素因数の和:8776

約数の個数: 144

約数和(自身を含む): 2354474304

約数和(自身を除く): 1686330324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3843, 4270, 5124, 5490, 6405, 7686, 8540, 8693, 10980, 12810, 15372, 17386, 19215, 25620, 26079, 34772, 38430, 43465, 52158, 60851, 76860, 78237, 86930, 104316, 121702, 130395, 156474, 173860, 182553, 243404, 260790, 304255, 312948, 365106, 391185, 521580, 530273, 547659, 608510, 730212, 782370, 912765, 1060546, 1095318, 1217020, 1564740, 1590819, 1825530, 2121092, 2190636, 2651365, 2738295, 3181638, 3651060, 3711911, 4772457, 5302730, 5476590, 6363276, 7423822, 7954095, 9544914, 10605460, 10953180, 11135733, 14847644, 15908190, 18559555, 19089828, 22271466, 23862285, 31816380, 33407199, 37119110, 44542932, 47724570, 55678665, 66814398, 74238220, 95449140, 111357330, 133628796, 167035995, 222714660, 334071990, 668143980]

約数ペア:

[(1, 668143980), (2, 334071990), (3, 222714660), (4, 167035995), (5, 133628796), (6, 111357330), (7, 95449140), (9, 74238220), (10, 66814398), (12, 55678665), (14, 47724570), (15, 44542932), (18, 37119110), (20, 33407199), (21, 31816380), (28, 23862285), (30, 22271466), (35, 19089828), (36, 18559555), (42, 15908190), (45, 14847644), (60, 11135733), (61, 10953180), (63, 10605460), (70, 9544914), (84, 7954095), (90, 7423822), (105, 6363276), (122, 5476590), (126, 5302730), (140, 4772457), (180, 3711911), (183, 3651060), (210, 3181638), (244, 2738295), (252, 2651365), (305, 2190636), (315, 2121092), (366, 1825530), (420, 1590819), (427, 1564740), (549, 1217020), (610, 1095318), (630, 1060546), (732, 912765), (854, 782370), (915, 730212), (1098, 608510), (1220, 547659), (1260, 530273), (1281, 521580), (1708, 391185), (1830, 365106), (2135, 312948), (2196, 304255), (2562, 260790), (2745, 243404), (3660, 182553), (3843, 173860), (4270, 156474), (5124, 130395), (5490, 121702), (6405, 104316), (7686, 86930), (8540, 78237), (8693, 76860), (10980, 60851), (12810, 52158), (15372, 43465), (17386, 38430), (19215, 34772), (25620, 26079)]