61701780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 207760896

約数和(自身を除く): 146059116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 677, 735, 868, 930, 980, 1085, 1302, 1354, 1470, 1519, 1860, 2031, 2170, 2604, 2708, 2940, 3038, 3255, 3385, 4062, 4340, 4557, 4739, 6076, 6510, 6770, 7595, 8124, 9114, 9478, 10155, 13020, 13540, 14217, 15190, 18228, 18956, 20310, 20987, 22785, 23695, 28434, 30380, 33173, 40620, 41974, 45570, 47390, 56868, 62961, 66346, 71085, 83948, 91140, 94780, 99519, 104935, 125922, 132692, 142170, 146909, 165865, 199038, 209870, 251844, 284340, 293818, 314805, 331730, 398076, 419740, 440727, 497595, 587636, 629610, 663460, 734545, 881454, 995190, 1028363, 1259220, 1469090, 1762908, 1990380, 2056726, 2203635, 2938180, 3085089, 4113452, 4407270, 5141815, 6170178, 8814540, 10283630, 12340356, 15425445, 20567260, 30850890, 61701780]

約数ペア:

[(1, 61701780), (2, 30850890), (3, 20567260), (4, 15425445), (5, 12340356), (6, 10283630), (7, 8814540), (10, 6170178), (12, 5141815), (14, 4407270), (15, 4113452), (20, 3085089), (21, 2938180), (28, 2203635), (30, 2056726), (31, 1990380), (35, 1762908), (42, 1469090), (49, 1259220), (60, 1028363), (62, 995190), (70, 881454), (84, 734545), (93, 663460), (98, 629610), (105, 587636), (124, 497595), (140, 440727), (147, 419740), (155, 398076), (186, 331730), (196, 314805), (210, 293818), (217, 284340), (245, 251844), (294, 209870), (310, 199038), (372, 165865), (420, 146909), (434, 142170), (465, 132692), (490, 125922), (588, 104935), (620, 99519), (651, 94780), (677, 91140), (735, 83948), (868, 71085), (930, 66346), (980, 62961), (1085, 56868), (1302, 47390), (1354, 45570), (1470, 41974), (1519, 40620), (1860, 33173), (2031, 30380), (2170, 28434), (2604, 23695), (2708, 22785), (2940, 20987), (3038, 20310), (3255, 18956), (3385, 18228), (4062, 15190), (4340, 14217), (4557, 13540), (4739, 13020), (6076, 10155), (6510, 9478), (6770, 9114), (7595, 8124)]