61315660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 163749600

約数和(自身を除く): 102433940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 49, 70, 74, 76, 89, 95, 98, 133, 140, 148, 178, 185, 190, 196, 245, 259, 266, 356, 370, 380, 445, 490, 518, 532, 623, 665, 703, 740, 890, 931, 980, 1036, 1246, 1295, 1330, 1406, 1691, 1780, 1813, 1862, 2492, 2590, 2660, 2812, 3115, 3293, 3382, 3515, 3626, 3724, 4361, 4655, 4921, 5180, 6230, 6586, 6764, 7030, 7252, 8455, 8722, 9065, 9310, 9842, 11837, 12460, 13172, 14060, 16465, 16910, 17444, 18130, 18620, 19684, 21805, 23051, 23674, 24605, 32930, 33820, 34447, 36260, 43610, 46102, 47348, 49210, 59185, 62567, 65860, 68894, 82859, 87220, 92204, 98420, 115255, 118370, 125134, 137788, 161357, 165718, 172235, 230510, 236740, 250268, 312835, 322714, 331436, 344470, 414295, 437969, 461020, 625670, 645428, 688940, 806785, 828590, 875938, 1251340, 1613570, 1657180, 1751876, 2189845, 3065783, 3227140, 4379690, 6131566, 8759380, 12263132, 15328915, 30657830, 61315660]

約数ペア:

[(1, 61315660), (2, 30657830), (4, 15328915), (5, 12263132), (7, 8759380), (10, 6131566), (14, 4379690), (19, 3227140), (20, 3065783), (28, 2189845), (35, 1751876), (37, 1657180), (38, 1613570), (49, 1251340), (70, 875938), (74, 828590), (76, 806785), (89, 688940), (95, 645428), (98, 625670), (133, 461020), (140, 437969), (148, 414295), (178, 344470), (185, 331436), (190, 322714), (196, 312835), (245, 250268), (259, 236740), (266, 230510), (356, 172235), (370, 165718), (380, 161357), (445, 137788), (490, 125134), (518, 118370), (532, 115255), (623, 98420), (665, 92204), (703, 87220), (740, 82859), (890, 68894), (931, 65860), (980, 62567), (1036, 59185), (1246, 49210), (1295, 47348), (1330, 46102), (1406, 43610), (1691, 36260), (1780, 34447), (1813, 33820), (1862, 32930), (2492, 24605), (2590, 23674), (2660, 23051), (2812, 21805), (3115, 19684), (3293, 18620), (3382, 18130), (3515, 17444), (3626, 16910), (3724, 16465), (4361, 14060), (4655, 13172), (4921, 12460), (5180, 11837), (6230, 9842), (6586, 9310), (6764, 9065), (7030, 8722), (7252, 8455)]