40639620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 138354048

約数和(自身を除く): 97714428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 601, 644, 690, 735, 805, 966, 980, 1127, 1202, 1380, 1470, 1610, 1803, 1932, 2254, 2404, 2415, 2940, 3005, 3220, 3381, 3606, 4207, 4508, 4830, 5635, 6010, 6762, 7212, 8414, 9015, 9660, 11270, 12020, 12621, 13524, 13823, 16828, 16905, 18030, 21035, 22540, 25242, 27646, 29449, 33810, 36060, 41469, 42070, 50484, 55292, 58898, 63105, 67620, 69115, 82938, 84140, 88347, 96761, 117796, 126210, 138230, 147245, 165876, 176694, 193522, 207345, 252420, 276460, 290283, 294490, 353388, 387044, 414690, 441735, 483805, 580566, 588980, 677327, 829380, 883470, 967610, 1161132, 1354654, 1451415, 1766940, 1935220, 2031981, 2709308, 2902830, 3386635, 4063962, 5805660, 6773270, 8127924, 10159905, 13546540, 20319810, 40639620]

約数ペア:

[(1, 40639620), (2, 20319810), (3, 13546540), (4, 10159905), (5, 8127924), (6, 6773270), (7, 5805660), (10, 4063962), (12, 3386635), (14, 2902830), (15, 2709308), (20, 2031981), (21, 1935220), (23, 1766940), (28, 1451415), (30, 1354654), (35, 1161132), (42, 967610), (46, 883470), (49, 829380), (60, 677327), (69, 588980), (70, 580566), (84, 483805), (92, 441735), (98, 414690), (105, 387044), (115, 353388), (138, 294490), (140, 290283), (147, 276460), (161, 252420), (196, 207345), (210, 193522), (230, 176694), (245, 165876), (276, 147245), (294, 138230), (322, 126210), (345, 117796), (420, 96761), (460, 88347), (483, 84140), (490, 82938), (588, 69115), (601, 67620), (644, 63105), (690, 58898), (735, 55292), (805, 50484), (966, 42070), (980, 41469), (1127, 36060), (1202, 33810), (1380, 29449), (1470, 27646), (1610, 25242), (1803, 22540), (1932, 21035), (2254, 18030), (2404, 16905), (2415, 16828), (2940, 13823), (3005, 13524), (3220, 12621), (3381, 12020), (3606, 11270), (4207, 9660), (4508, 9015), (4830, 8414), (5635, 7212), (6010, 6762)]