918630440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1232

約数の個数: 192

約数和(自身を含む): 2675151360

約数和(自身を除く): 1756520920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 520, 620, 637, 728, 806, 868, 910, 980, 1085, 1163, 1240, 1274, 1519, 1612, 1736, 1820, 1960, 2015, 2170, 2326, 2548, 2821, 3038, 3185, 3224, 3640, 4030, 4340, 4652, 5096, 5642, 5815, 6076, 6370, 7595, 8060, 8141, 8680, 9304, 11284, 11630, 12152, 12740, 14105, 15119, 15190, 16120, 16282, 19747, 22568, 23260, 25480, 28210, 30238, 30380, 32564, 36053, 39494, 40705, 46520, 56420, 56987, 60476, 60760, 65128, 72106, 75595, 78988, 81410, 98735, 105833, 112840, 113974, 120952, 144212, 151190, 157976, 162820, 180265, 197470, 211666, 227948, 252371, 284935, 288424, 302380, 325640, 360530, 394940, 423332, 455896, 468689, 504742, 529165, 569870, 604760, 721060, 740831, 789880, 846664, 937378, 1009484, 1058330, 1139740, 1261855, 1442120, 1481662, 1766597, 1874756, 2018968, 2116660, 2279480, 2343445, 2523710, 2963324, 3280823, 3533194, 3704155, 3749512, 4233320, 4686890, 5047420, 5926648, 6561646, 7066388, 7408310, 8832985, 9373780, 10094840, 13123292, 14132776, 14816620, 16404115, 17665970, 18747560, 22965761, 26246584, 29633240, 32808230, 35331940, 45931522, 65616460, 70663880, 91863044, 114828805, 131232920, 183726088, 229657610, 459315220, 918630440]

約数ペア:

[(1, 918630440), (2, 459315220), (4, 229657610), (5, 183726088), (7, 131232920), (8, 114828805), (10, 91863044), (13, 70663880), (14, 65616460), (20, 45931522), (26, 35331940), (28, 32808230), (31, 29633240), (35, 26246584), (40, 22965761), (49, 18747560), (52, 17665970), (56, 16404115), (62, 14816620), (65, 14132776), (70, 13123292), (91, 10094840), (98, 9373780), (104, 8832985), (124, 7408310), (130, 7066388), (140, 6561646), (155, 5926648), (182, 5047420), (196, 4686890), (217, 4233320), (245, 3749512), (248, 3704155), (260, 3533194), (280, 3280823), (310, 2963324), (364, 2523710), (392, 2343445), (403, 2279480), (434, 2116660), (455, 2018968), (490, 1874756), (520, 1766597), (620, 1481662), (637, 1442120), (728, 1261855), (806, 1139740), (868, 1058330), (910, 1009484), (980, 937378), (1085, 846664), (1163, 789880), (1240, 740831), (1274, 721060), (1519, 604760), (1612, 569870), (1736, 529165), (1820, 504742), (1960, 468689), (2015, 455896), (2170, 423332), (2326, 394940), (2548, 360530), (2821, 325640), (3038, 302380), (3185, 288424), (3224, 284935), (3640, 252371), (4030, 227948), (4340, 211666), (4652, 197470), (5096, 180265), (5642, 162820), (5815, 157976), (6076, 151190), (6370, 144212), (7595, 120952), (8060, 113974), (8141, 112840), (8680, 105833), (9304, 98735), (11284, 81410), (11630, 78988), (12152, 75595), (12740, 72106), (14105, 65128), (15119, 60760), (15190, 60476), (16120, 56987), (16282, 56420), (19747, 46520), (22568, 40705), (23260, 39494), (25480, 36053), (28210, 32564), (30238, 30380)]