2143509720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{8243}}^1$

素因数の和:8465

約数の個数: 128

約数和(自身を含む): 7051587840

約数和(自身を除く): 4908078120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 197, 220, 264, 330, 394, 440, 591, 660, 788, 985, 1182, 1320, 1576, 1970, 2167, 2364, 2955, 3940, 4334, 4728, 5910, 6501, 7880, 8243, 8668, 10835, 11820, 13002, 16486, 17336, 21670, 23640, 24729, 26004, 32505, 32972, 41215, 43340, 49458, 52008, 65010, 65944, 82430, 86680, 90673, 98916, 123645, 130020, 164860, 181346, 197832, 247290, 260040, 272019, 329720, 362692, 453365, 494580, 544038, 725384, 906730, 989160, 1088076, 1360095, 1623871, 1813460, 2176152, 2720190, 3247742, 3626920, 4871613, 5440380, 6495484, 8119355, 9743226, 10880760, 12990968, 16238710, 17862581, 19486452, 24358065, 32477420, 35725162, 38972904, 48716130, 53587743, 64954840, 71450324, 89312905, 97432260, 107175486, 142900648, 178625810, 194864520, 214350972, 267938715, 357251620, 428701944, 535877430, 714503240, 1071754860, 2143509720]

約数ペア:

[(1, 2143509720), (2, 1071754860), (3, 714503240), (4, 535877430), (5, 428701944), (6, 357251620), (8, 267938715), (10, 214350972), (11, 194864520), (12, 178625810), (15, 142900648), (20, 107175486), (22, 97432260), (24, 89312905), (30, 71450324), (33, 64954840), (40, 53587743), (44, 48716130), (55, 38972904), (60, 35725162), (66, 32477420), (88, 24358065), (110, 19486452), (120, 17862581), (132, 16238710), (165, 12990968), (197, 10880760), (220, 9743226), (264, 8119355), (330, 6495484), (394, 5440380), (440, 4871613), (591, 3626920), (660, 3247742), (788, 2720190), (985, 2176152), (1182, 1813460), (1320, 1623871), (1576, 1360095), (1970, 1088076), (2167, 989160), (2364, 906730), (2955, 725384), (3940, 544038), (4334, 494580), (4728, 453365), (5910, 362692), (6501, 329720), (7880, 272019), (8243, 260040), (8668, 247290), (10835, 197832), (11820, 181346), (13002, 164860), (16486, 130020), (17336, 123645), (21670, 98916), (23640, 90673), (24729, 86680), (26004, 82430), (32505, 65944), (32972, 65010), (41215, 52008), (43340, 49458)]