18328440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 42957960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 379, 390, 403, 465, 520, 620, 744, 758, 780, 806, 930, 1137, 1209, 1240, 1516, 1560, 1612, 1860, 1895, 2015, 2274, 2418, 3032, 3224, 3720, 3790, 4030, 4548, 4836, 4927, 5685, 6045, 7580, 8060, 9096, 9672, 9854, 11370, 11749, 12090, 14781, 15160, 16120, 19708, 22740, 23498, 24180, 24635, 29562, 35247, 39416, 45480, 46996, 48360, 49270, 58745, 59124, 70494, 73905, 93992, 98540, 117490, 118248, 140988, 147810, 152737, 176235, 197080, 234980, 281976, 295620, 305474, 352470, 458211, 469960, 591240, 610948, 704940, 763685, 916422, 1221896, 1409880, 1527370, 1832844, 2291055, 3054740, 3665688, 4582110, 6109480, 9164220, 18328440]

約数ペア:

[(1, 18328440), (2, 9164220), (3, 6109480), (4, 4582110), (5, 3665688), (6, 3054740), (8, 2291055), (10, 1832844), (12, 1527370), (13, 1409880), (15, 1221896), (20, 916422), (24, 763685), (26, 704940), (30, 610948), (31, 591240), (39, 469960), (40, 458211), (52, 352470), (60, 305474), (62, 295620), (65, 281976), (78, 234980), (93, 197080), (104, 176235), (120, 152737), (124, 147810), (130, 140988), (155, 118248), (156, 117490), (186, 98540), (195, 93992), (248, 73905), (260, 70494), (310, 59124), (312, 58745), (372, 49270), (379, 48360), (390, 46996), (403, 45480), (465, 39416), (520, 35247), (620, 29562), (744, 24635), (758, 24180), (780, 23498), (806, 22740), (930, 19708), (1137, 16120), (1209, 15160), (1240, 14781), (1516, 12090), (1560, 11749), (1612, 11370), (1860, 9854), (1895, 9672), (2015, 9096), (2274, 8060), (2418, 7580), (3032, 6045), (3224, 5685), (3720, 4927), (3790, 4836), (4030, 4548)]