71656680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 226800000

約数和(自身を除く): 155143320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 145, 174, 177, 232, 236, 290, 295, 348, 349, 354, 435, 472, 580, 590, 696, 698, 708, 870, 885, 1047, 1160, 1180, 1396, 1416, 1711, 1740, 1745, 1770, 2094, 2360, 2792, 3422, 3480, 3490, 3540, 4188, 5133, 5235, 6844, 6980, 7080, 8376, 8555, 10121, 10266, 10470, 13688, 13960, 17110, 20242, 20532, 20591, 20940, 25665, 30363, 34220, 40484, 41064, 41182, 41880, 50605, 51330, 60726, 61773, 68440, 80968, 82364, 101210, 102660, 102955, 121452, 123546, 151815, 164728, 202420, 205320, 205910, 242904, 247092, 303630, 308865, 404840, 411820, 494184, 597139, 607260, 617730, 823640, 1194278, 1214520, 1235460, 1791417, 2388556, 2470920, 2985695, 3582834, 4777112, 5971390, 7165668, 8957085, 11942780, 14331336, 17914170, 23885560, 35828340, 71656680]

約数ペア:

[(1, 71656680), (2, 35828340), (3, 23885560), (4, 17914170), (5, 14331336), (6, 11942780), (8, 8957085), (10, 7165668), (12, 5971390), (15, 4777112), (20, 3582834), (24, 2985695), (29, 2470920), (30, 2388556), (40, 1791417), (58, 1235460), (59, 1214520), (60, 1194278), (87, 823640), (116, 617730), (118, 607260), (120, 597139), (145, 494184), (174, 411820), (177, 404840), (232, 308865), (236, 303630), (290, 247092), (295, 242904), (348, 205910), (349, 205320), (354, 202420), (435, 164728), (472, 151815), (580, 123546), (590, 121452), (696, 102955), (698, 102660), (708, 101210), (870, 82364), (885, 80968), (1047, 68440), (1160, 61773), (1180, 60726), (1396, 51330), (1416, 50605), (1711, 41880), (1740, 41182), (1745, 41064), (1770, 40484), (2094, 34220), (2360, 30363), (2792, 25665), (3422, 20940), (3480, 20591), (3490, 20532), (3540, 20242), (4188, 17110), (5133, 13960), (5235, 13688), (6844, 10470), (6980, 10266), (7080, 10121), (8376, 8555)]