78985060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 223388928

約数和(自身を除く): 144403868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 110, 119, 140, 154, 170, 187, 196, 220, 238, 245, 308, 340, 374, 385, 431, 476, 490, 539, 595, 748, 770, 833, 862, 935, 980, 1078, 1190, 1309, 1540, 1666, 1724, 1870, 2155, 2156, 2380, 2618, 2695, 3017, 3332, 3740, 4165, 4310, 4741, 5236, 5390, 6034, 6545, 7327, 8330, 8620, 9163, 9482, 10780, 12068, 13090, 14654, 15085, 16660, 18326, 18964, 21119, 23705, 26180, 29308, 30170, 33187, 36635, 36652, 42238, 45815, 47410, 51289, 60340, 66374, 73270, 80597, 84476, 91630, 94820, 102578, 105595, 132748, 146540, 161194, 165935, 183260, 205156, 211190, 232309, 256445, 322388, 331870, 359023, 402985, 422380, 464618, 512890, 564179, 663740, 718046, 805970, 929236, 1025780, 1128358, 1161545, 1436092, 1611940, 1795115, 2256716, 2323090, 2820895, 3590230, 3949253, 4646180, 5641790, 7180460, 7898506, 11283580, 15797012, 19746265, 39492530, 78985060]

約数ペア:

[(1, 78985060), (2, 39492530), (4, 19746265), (5, 15797012), (7, 11283580), (10, 7898506), (11, 7180460), (14, 5641790), (17, 4646180), (20, 3949253), (22, 3590230), (28, 2820895), (34, 2323090), (35, 2256716), (44, 1795115), (49, 1611940), (55, 1436092), (68, 1161545), (70, 1128358), (77, 1025780), (85, 929236), (98, 805970), (110, 718046), (119, 663740), (140, 564179), (154, 512890), (170, 464618), (187, 422380), (196, 402985), (220, 359023), (238, 331870), (245, 322388), (308, 256445), (340, 232309), (374, 211190), (385, 205156), (431, 183260), (476, 165935), (490, 161194), (539, 146540), (595, 132748), (748, 105595), (770, 102578), (833, 94820), (862, 91630), (935, 84476), (980, 80597), (1078, 73270), (1190, 66374), (1309, 60340), (1540, 51289), (1666, 47410), (1724, 45815), (1870, 42238), (2155, 36652), (2156, 36635), (2380, 33187), (2618, 30170), (2695, 29308), (3017, 26180), (3332, 23705), (3740, 21119), (4165, 18964), (4310, 18326), (4741, 16660), (5236, 15085), (5390, 14654), (6034, 13090), (6545, 12068), (7327, 10780), (8330, 9482), (8620, 9163)]