61480380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 195098400

約数和(自身を除く): 133618020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 149, 156, 195, 230, 260, 276, 298, 299, 345, 390, 447, 460, 529, 596, 598, 690, 745, 780, 894, 897, 1058, 1196, 1380, 1490, 1495, 1587, 1788, 1794, 1937, 2116, 2235, 2645, 2980, 2990, 3174, 3427, 3588, 3874, 4470, 4485, 5290, 5811, 5980, 6348, 6854, 6877, 7748, 7935, 8940, 8970, 9685, 10281, 10580, 11622, 13708, 13754, 15870, 17135, 17940, 19370, 20562, 20631, 23244, 27508, 29055, 31740, 34270, 34385, 38740, 41124, 41262, 44551, 51405, 58110, 68540, 68770, 78821, 82524, 89102, 102810, 103155, 116220, 133653, 137540, 157642, 178204, 205620, 206310, 222755, 236463, 267306, 315284, 394105, 412620, 445510, 472926, 534612, 668265, 788210, 891020, 945852, 1024673, 1182315, 1336530, 1576420, 2049346, 2364630, 2673060, 3074019, 4098692, 4729260, 5123365, 6148038, 10246730, 12296076, 15370095, 20493460, 30740190, 61480380]

約数ペア:

[(1, 61480380), (2, 30740190), (3, 20493460), (4, 15370095), (5, 12296076), (6, 10246730), (10, 6148038), (12, 5123365), (13, 4729260), (15, 4098692), (20, 3074019), (23, 2673060), (26, 2364630), (30, 2049346), (39, 1576420), (46, 1336530), (52, 1182315), (60, 1024673), (65, 945852), (69, 891020), (78, 788210), (92, 668265), (115, 534612), (130, 472926), (138, 445510), (149, 412620), (156, 394105), (195, 315284), (230, 267306), (260, 236463), (276, 222755), (298, 206310), (299, 205620), (345, 178204), (390, 157642), (447, 137540), (460, 133653), (529, 116220), (596, 103155), (598, 102810), (690, 89102), (745, 82524), (780, 78821), (894, 68770), (897, 68540), (1058, 58110), (1196, 51405), (1380, 44551), (1490, 41262), (1495, 41124), (1587, 38740), (1788, 34385), (1794, 34270), (1937, 31740), (2116, 29055), (2235, 27508), (2645, 23244), (2980, 20631), (2990, 20562), (3174, 19370), (3427, 17940), (3588, 17135), (3874, 15870), (4470, 13754), (4485, 13708), (5290, 11622), (5811, 10580), (5980, 10281), (6348, 9685), (6854, 8970), (6877, 8940), (7748, 7935)]