61631960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 159364800

約数和(自身を除く): 97732840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 61, 65, 67, 104, 116, 122, 130, 134, 145, 232, 244, 260, 268, 290, 305, 335, 377, 488, 520, 536, 580, 610, 670, 754, 793, 871, 1160, 1220, 1340, 1508, 1586, 1742, 1769, 1885, 1943, 2440, 2680, 3016, 3172, 3484, 3538, 3770, 3886, 3965, 4087, 4355, 6344, 6968, 7076, 7540, 7772, 7930, 8174, 8710, 8845, 9715, 14152, 15080, 15544, 15860, 16348, 17420, 17690, 19430, 20435, 22997, 25259, 31720, 32696, 34840, 35380, 38860, 40870, 45994, 50518, 53131, 70760, 77720, 81740, 91988, 101036, 106262, 114985, 118523, 126295, 163480, 183976, 202072, 212524, 229970, 237046, 252590, 265655, 425048, 459940, 474092, 505180, 531310, 592615, 919880, 948184, 1010360, 1062620, 1185230, 1540799, 2125240, 2370460, 3081598, 4740920, 6163196, 7703995, 12326392, 15407990, 30815980, 61631960]

約数ペア:

[(1, 61631960), (2, 30815980), (4, 15407990), (5, 12326392), (8, 7703995), (10, 6163196), (13, 4740920), (20, 3081598), (26, 2370460), (29, 2125240), (40, 1540799), (52, 1185230), (58, 1062620), (61, 1010360), (65, 948184), (67, 919880), (104, 592615), (116, 531310), (122, 505180), (130, 474092), (134, 459940), (145, 425048), (232, 265655), (244, 252590), (260, 237046), (268, 229970), (290, 212524), (305, 202072), (335, 183976), (377, 163480), (488, 126295), (520, 118523), (536, 114985), (580, 106262), (610, 101036), (670, 91988), (754, 81740), (793, 77720), (871, 70760), (1160, 53131), (1220, 50518), (1340, 45994), (1508, 40870), (1586, 38860), (1742, 35380), (1769, 34840), (1885, 32696), (1943, 31720), (2440, 25259), (2680, 22997), (3016, 20435), (3172, 19430), (3484, 17690), (3538, 17420), (3770, 16348), (3886, 15860), (3965, 15544), (4087, 15080), (4355, 14152), (6344, 9715), (6968, 8845), (7076, 8710), (7540, 8174), (7772, 7930)]