51368660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 136515456

約数和(自身を除く): 85146796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 49, 53, 70, 86, 92, 98, 106, 115, 140, 161, 172, 196, 212, 215, 230, 245, 265, 301, 322, 371, 430, 460, 490, 530, 602, 644, 742, 805, 860, 980, 989, 1060, 1127, 1204, 1219, 1484, 1505, 1610, 1855, 1978, 2107, 2254, 2279, 2438, 2597, 3010, 3220, 3710, 3956, 4214, 4508, 4558, 4876, 4945, 5194, 5635, 6020, 6095, 6923, 7420, 8428, 8533, 9116, 9890, 10388, 10535, 11270, 11395, 12190, 12985, 13846, 15953, 17066, 19780, 21070, 22540, 22790, 24380, 25970, 27692, 31906, 34132, 34615, 42140, 42665, 45580, 48461, 51940, 52417, 59731, 63812, 69230, 79765, 85330, 96922, 104834, 111671, 119462, 138460, 159530, 170660, 193844, 209668, 223342, 238924, 242305, 262085, 298655, 319060, 366919, 446684, 484610, 524170, 558355, 597310, 733838, 969220, 1048340, 1116710, 1194620, 1467676, 1834595, 2233420, 2568433, 3669190, 5136866, 7338380, 10273732, 12842165, 25684330, 51368660]

約数ペア:

[(1, 51368660), (2, 25684330), (4, 12842165), (5, 10273732), (7, 7338380), (10, 5136866), (14, 3669190), (20, 2568433), (23, 2233420), (28, 1834595), (35, 1467676), (43, 1194620), (46, 1116710), (49, 1048340), (53, 969220), (70, 733838), (86, 597310), (92, 558355), (98, 524170), (106, 484610), (115, 446684), (140, 366919), (161, 319060), (172, 298655), (196, 262085), (212, 242305), (215, 238924), (230, 223342), (245, 209668), (265, 193844), (301, 170660), (322, 159530), (371, 138460), (430, 119462), (460, 111671), (490, 104834), (530, 96922), (602, 85330), (644, 79765), (742, 69230), (805, 63812), (860, 59731), (980, 52417), (989, 51940), (1060, 48461), (1127, 45580), (1204, 42665), (1219, 42140), (1484, 34615), (1505, 34132), (1610, 31906), (1855, 27692), (1978, 25970), (2107, 24380), (2254, 22790), (2279, 22540), (2438, 21070), (2597, 19780), (3010, 17066), (3220, 15953), (3710, 13846), (3956, 12985), (4214, 12190), (4508, 11395), (4558, 11270), (4876, 10535), (4945, 10388), (5194, 9890), (5635, 9116), (6020, 8533), (6095, 8428), (6923, 7420)]