79686740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 208986624

約数和(自身を除く): 129299884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 61, 62, 70, 86, 98, 122, 124, 140, 155, 172, 196, 215, 217, 244, 245, 301, 305, 310, 427, 430, 434, 490, 602, 610, 620, 854, 860, 868, 980, 1085, 1204, 1220, 1333, 1505, 1519, 1708, 1891, 2107, 2135, 2170, 2623, 2666, 2989, 3010, 3038, 3782, 4214, 4270, 4340, 5246, 5332, 5978, 6020, 6076, 6665, 7564, 7595, 8428, 8540, 9331, 9455, 10492, 10535, 11956, 13115, 13237, 13330, 14945, 15190, 18361, 18662, 18910, 21070, 26230, 26474, 26660, 29890, 30380, 36722, 37324, 37820, 42140, 46655, 52460, 52948, 59780, 65317, 66185, 73444, 81313, 91805, 92659, 93310, 128527, 130634, 132370, 162626, 183610, 185318, 186620, 257054, 261268, 264740, 325252, 326585, 367220, 370636, 406565, 463295, 514108, 569191, 642635, 653170, 813130, 926590, 1138382, 1285270, 1306340, 1626260, 1853180, 2276764, 2570540, 2845955, 3984337, 5691910, 7968674, 11383820, 15937348, 19921685, 39843370, 79686740]

約数ペア:

[(1, 79686740), (2, 39843370), (4, 19921685), (5, 15937348), (7, 11383820), (10, 7968674), (14, 5691910), (20, 3984337), (28, 2845955), (31, 2570540), (35, 2276764), (43, 1853180), (49, 1626260), (61, 1306340), (62, 1285270), (70, 1138382), (86, 926590), (98, 813130), (122, 653170), (124, 642635), (140, 569191), (155, 514108), (172, 463295), (196, 406565), (215, 370636), (217, 367220), (244, 326585), (245, 325252), (301, 264740), (305, 261268), (310, 257054), (427, 186620), (430, 185318), (434, 183610), (490, 162626), (602, 132370), (610, 130634), (620, 128527), (854, 93310), (860, 92659), (868, 91805), (980, 81313), (1085, 73444), (1204, 66185), (1220, 65317), (1333, 59780), (1505, 52948), (1519, 52460), (1708, 46655), (1891, 42140), (2107, 37820), (2135, 37324), (2170, 36722), (2623, 30380), (2666, 29890), (2989, 26660), (3010, 26474), (3038, 26230), (3782, 21070), (4214, 18910), (4270, 18662), (4340, 18361), (5246, 15190), (5332, 14945), (5978, 13330), (6020, 13237), (6076, 13115), (6665, 11956), (7564, 10535), (7595, 10492), (8428, 9455), (8540, 9331)]