68204340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 226437120

約数和(自身を除く): 158232780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 719, 765, 930, 1020, 1054, 1116, 1395, 1438, 1530, 1581, 1860, 2108, 2157, 2635, 2790, 2876, 3060, 3162, 3595, 4314, 4743, 5270, 5580, 6324, 6471, 7190, 7905, 8628, 9486, 10540, 10785, 12223, 12942, 14380, 15810, 18972, 21570, 22289, 23715, 24446, 25884, 31620, 32355, 36669, 43140, 44578, 47430, 48892, 61115, 64710, 66867, 73338, 89156, 94860, 110007, 111445, 122230, 129420, 133734, 146676, 183345, 200601, 220014, 222890, 244460, 267468, 334335, 366690, 378913, 401202, 440028, 445780, 550035, 668670, 733380, 757826, 802404, 1003005, 1100070, 1136739, 1337340, 1515652, 1894565, 2006010, 2200140, 2273478, 3410217, 3789130, 4012020, 4546956, 5683695, 6820434, 7578260, 11367390, 13640868, 17051085, 22734780, 34102170, 68204340]

約数ペア:

[(1, 68204340), (2, 34102170), (3, 22734780), (4, 17051085), (5, 13640868), (6, 11367390), (9, 7578260), (10, 6820434), (12, 5683695), (15, 4546956), (17, 4012020), (18, 3789130), (20, 3410217), (30, 2273478), (31, 2200140), (34, 2006010), (36, 1894565), (45, 1515652), (51, 1337340), (60, 1136739), (62, 1100070), (68, 1003005), (85, 802404), (90, 757826), (93, 733380), (102, 668670), (124, 550035), (153, 445780), (155, 440028), (170, 401202), (180, 378913), (186, 366690), (204, 334335), (255, 267468), (279, 244460), (306, 222890), (310, 220014), (340, 200601), (372, 183345), (465, 146676), (510, 133734), (527, 129420), (558, 122230), (612, 111445), (620, 110007), (719, 94860), (765, 89156), (930, 73338), (1020, 66867), (1054, 64710), (1116, 61115), (1395, 48892), (1438, 47430), (1530, 44578), (1581, 43140), (1860, 36669), (2108, 32355), (2157, 31620), (2635, 25884), (2790, 24446), (2876, 23715), (3060, 22289), (3162, 21570), (3595, 18972), (4314, 15810), (4743, 14380), (5270, 12942), (5580, 12223), (6324, 10785), (6471, 10540), (7190, 9486), (7905, 8628)]