261931680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3083}}^1$

素因数の和:3163

約数の個数: 144

約数和(自身を含む): 909286560

約数和(自身を除く): 647354880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3083, 3540, 4248, 4720, 5310, 5664, 6166, 7080, 8496, 9249, 9440, 10620, 12332, 14160, 15415, 16992, 18498, 21240, 24664, 27747, 28320, 30830, 36996, 42480, 46245, 49328, 55494, 61660, 73992, 84960, 92490, 98656, 110988, 123320, 138735, 147984, 181897, 184980, 221976, 246640, 277470, 295968, 363794, 369960, 443952, 493280, 545691, 554940, 727588, 739920, 887904, 909485, 1091382, 1109880, 1455176, 1479840, 1637073, 1818970, 2182764, 2219760, 2728455, 2910352, 3274146, 3637940, 4365528, 4439520, 5456910, 5820704, 6548292, 7275880, 8185365, 8731056, 10913820, 13096584, 14551760, 16370730, 17462112, 21827640, 26193168, 29103520, 32741460, 43655280, 52386336, 65482920, 87310560, 130965840, 261931680]

約数ペア:

[(1, 261931680), (2, 130965840), (3, 87310560), (4, 65482920), (5, 52386336), (6, 43655280), (8, 32741460), (9, 29103520), (10, 26193168), (12, 21827640), (15, 17462112), (16, 16370730), (18, 14551760), (20, 13096584), (24, 10913820), (30, 8731056), (32, 8185365), (36, 7275880), (40, 6548292), (45, 5820704), (48, 5456910), (59, 4439520), (60, 4365528), (72, 3637940), (80, 3274146), (90, 2910352), (96, 2728455), (118, 2219760), (120, 2182764), (144, 1818970), (160, 1637073), (177, 1479840), (180, 1455176), (236, 1109880), (240, 1091382), (288, 909485), (295, 887904), (354, 739920), (360, 727588), (472, 554940), (480, 545691), (531, 493280), (590, 443952), (708, 369960), (720, 363794), (885, 295968), (944, 277470), (1062, 246640), (1180, 221976), (1416, 184980), (1440, 181897), (1770, 147984), (1888, 138735), (2124, 123320), (2360, 110988), (2655, 98656), (2832, 92490), (3083, 84960), (3540, 73992), (4248, 61660), (4720, 55494), (5310, 49328), (5664, 46245), (6166, 42480), (7080, 36996), (8496, 30830), (9249, 28320), (9440, 27747), (10620, 24664), (12332, 21240), (14160, 18498), (15415, 16992)]