81256260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 259096320

約数和(自身を除く): 177840060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 41, 51, 58, 60, 67, 68, 82, 85, 87, 102, 116, 123, 134, 145, 164, 170, 174, 201, 204, 205, 246, 255, 268, 290, 335, 340, 348, 402, 410, 435, 492, 493, 510, 580, 615, 670, 697, 804, 820, 870, 986, 1005, 1020, 1139, 1189, 1230, 1340, 1394, 1479, 1740, 1943, 1972, 2010, 2091, 2278, 2378, 2460, 2465, 2747, 2788, 2958, 3417, 3485, 3567, 3886, 4020, 4182, 4556, 4756, 4930, 5494, 5695, 5829, 5916, 5945, 6834, 6970, 7134, 7395, 7772, 8241, 8364, 9715, 9860, 10455, 10988, 11390, 11658, 11890, 13668, 13735, 13940, 14268, 14790, 16482, 17085, 17835, 19430, 20213, 20910, 22780, 23316, 23780, 27470, 29145, 29580, 32964, 33031, 34170, 35670, 38860, 40426, 41205, 41820, 46699, 54940, 58290, 60639, 66062, 68340, 71340, 79663, 80852, 82410, 93398, 99093, 101065, 116580, 121278, 132124, 140097, 159326, 164820, 165155, 186796, 198186, 202130, 233495, 238989, 242556, 280194, 303195, 318652, 330310, 396372, 398315, 404260, 466990, 477978, 495465, 560388, 606390, 660620, 700485, 796630, 933980, 955956, 990930, 1194945, 1212780, 1354271, 1400970, 1593260, 1981860, 2389890, 2708542, 2801940, 4062813, 4779780, 5417084, 6771355, 8125626, 13542710, 16251252, 20314065, 27085420, 40628130, 81256260]

約数ペア:

[(1, 81256260), (2, 40628130), (3, 27085420), (4, 20314065), (5, 16251252), (6, 13542710), (10, 8125626), (12, 6771355), (15, 5417084), (17, 4779780), (20, 4062813), (29, 2801940), (30, 2708542), (34, 2389890), (41, 1981860), (51, 1593260), (58, 1400970), (60, 1354271), (67, 1212780), (68, 1194945), (82, 990930), (85, 955956), (87, 933980), (102, 796630), (116, 700485), (123, 660620), (134, 606390), (145, 560388), (164, 495465), (170, 477978), (174, 466990), (201, 404260), (204, 398315), (205, 396372), (246, 330310), (255, 318652), (268, 303195), (290, 280194), (335, 242556), (340, 238989), (348, 233495), (402, 202130), (410, 198186), (435, 186796), (492, 165155), (493, 164820), (510, 159326), (580, 140097), (615, 132124), (670, 121278), (697, 116580), (804, 101065), (820, 99093), (870, 93398), (986, 82410), (1005, 80852), (1020, 79663), (1139, 71340), (1189, 68340), (1230, 66062), (1340, 60639), (1394, 58290), (1479, 54940), (1740, 46699), (1943, 41820), (1972, 41205), (2010, 40426), (2091, 38860), (2278, 35670), (2378, 34170), (2460, 33031), (2465, 32964), (2747, 29580), (2788, 29145), (2958, 27470), (3417, 23780), (3485, 23316), (3567, 22780), (3886, 20910), (4020, 20213), (4182, 19430), (4556, 17835), (4756, 17085), (4930, 16482), (5494, 14790), (5695, 14268), (5829, 13940), (5916, 13735), (5945, 13668), (6834, 11890), (6970, 11658), (7134, 11390), (7395, 10988), (7772, 10455), (8241, 9860), (8364, 9715)]