18421363120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1049}}^1$

素因数の和:1263

約数の個数: 160

約数和(自身を含む): 45322099200

約数和(自身を除く): 26900736080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 97, 124, 146, 155, 194, 248, 292, 310, 365, 388, 485, 496, 584, 620, 730, 776, 970, 1049, 1168, 1240, 1460, 1552, 1940, 2098, 2263, 2480, 2920, 3007, 3880, 4196, 4526, 5245, 5840, 6014, 7081, 7760, 8392, 9052, 10490, 11315, 12028, 14162, 15035, 16784, 18104, 20980, 22630, 24056, 28324, 30070, 32519, 35405, 36208, 41960, 45260, 48112, 56648, 60140, 65038, 70810, 76577, 83920, 90520, 101753, 113296, 120280, 130076, 141620, 153154, 162595, 181040, 203506, 219511, 240560, 260152, 283240, 306308, 325190, 382885, 407012, 439022, 508765, 520304, 566480, 612616, 650380, 765770, 814024, 878044, 1017530, 1097555, 1225232, 1300760, 1531540, 1628048, 1756088, 2035060, 2195110, 2373887, 2601520, 3063080, 3154343, 3512176, 4070120, 4390220, 4747774, 6126160, 6308686, 7427969, 8140240, 8780440, 9495548, 11869435, 12617372, 14855938, 15771715, 17560880, 18991096, 23738870, 25234744, 29711876, 31543430, 37139845, 37982192, 47477740, 50469488, 59423752, 63086860, 74279690, 94955480, 118847504, 126173720, 148559380, 189910960, 230267039, 252347440, 297118760, 460534078, 594237520, 921068156, 1151335195, 1842136312, 2302670390, 3684272624, 4605340780, 9210681560, 18421363120]

約数ペア:

[(1, 18421363120), (2, 9210681560), (4, 4605340780), (5, 3684272624), (8, 2302670390), (10, 1842136312), (16, 1151335195), (20, 921068156), (31, 594237520), (40, 460534078), (62, 297118760), (73, 252347440), (80, 230267039), (97, 189910960), (124, 148559380), (146, 126173720), (155, 118847504), (194, 94955480), (248, 74279690), (292, 63086860), (310, 59423752), (365, 50469488), (388, 47477740), (485, 37982192), (496, 37139845), (584, 31543430), (620, 29711876), (730, 25234744), (776, 23738870), (970, 18991096), (1049, 17560880), (1168, 15771715), (1240, 14855938), (1460, 12617372), (1552, 11869435), (1940, 9495548), (2098, 8780440), (2263, 8140240), (2480, 7427969), (2920, 6308686), (3007, 6126160), (3880, 4747774), (4196, 4390220), (4526, 4070120), (5245, 3512176), (5840, 3154343), (6014, 3063080), (7081, 2601520), (7760, 2373887), (8392, 2195110), (9052, 2035060), (10490, 1756088), (11315, 1628048), (12028, 1531540), (14162, 1300760), (15035, 1225232), (16784, 1097555), (18104, 1017530), (20980, 878044), (22630, 814024), (24056, 765770), (28324, 650380), (30070, 612616), (32519, 566480), (35405, 520304), (36208, 508765), (41960, 439022), (45260, 407012), (48112, 382885), (56648, 325190), (60140, 306308), (65038, 283240), (70810, 260152), (76577, 240560), (83920, 219511), (90520, 203506), (101753, 181040), (113296, 162595), (120280, 153154), (130076, 141620)]