18515420820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{33107}}^1$

素因数の和:33374

約数の個数: 144

約数和(自身を含む): 60738612480

約数和(自身を除く): 42223191660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 239, 260, 390, 468, 478, 585, 717, 780, 956, 1170, 1195, 1434, 2151, 2340, 2390, 2868, 3107, 3585, 4302, 4780, 6214, 7170, 8604, 9321, 10755, 12428, 14340, 15535, 18642, 21510, 27963, 31070, 33107, 37284, 43020, 46605, 55926, 62140, 66214, 93210, 99321, 111852, 132428, 139815, 165535, 186420, 198642, 279630, 297963, 331070, 397284, 430391, 496605, 559260, 595926, 662140, 860782, 993210, 1191852, 1291173, 1489815, 1721564, 1986420, 2151955, 2582346, 2979630, 3873519, 4303910, 5164692, 5959260, 6455865, 7747038, 7912573, 8607820, 12911730, 15494076, 15825146, 19367595, 23737719, 25823460, 31650292, 38735190, 39562865, 47475438, 71213157, 77470380, 79125730, 94950876, 102863449, 118688595, 142426314, 158251460, 205726898, 237377190, 284852628, 308590347, 356065785, 411453796, 474754380, 514317245, 617180694, 712131570, 925771041, 1028634490, 1234361388, 1424263140, 1542951735, 1851542082, 2057268980, 3085903470, 3703084164, 4628855205, 6171806940, 9257710410, 18515420820]

約数ペア:

[(1, 18515420820), (2, 9257710410), (3, 6171806940), (4, 4628855205), (5, 3703084164), (6, 3085903470), (9, 2057268980), (10, 1851542082), (12, 1542951735), (13, 1424263140), (15, 1234361388), (18, 1028634490), (20, 925771041), (26, 712131570), (30, 617180694), (36, 514317245), (39, 474754380), (45, 411453796), (52, 356065785), (60, 308590347), (65, 284852628), (78, 237377190), (90, 205726898), (117, 158251460), (130, 142426314), (156, 118688595), (180, 102863449), (195, 94950876), (234, 79125730), (239, 77470380), (260, 71213157), (390, 47475438), (468, 39562865), (478, 38735190), (585, 31650292), (717, 25823460), (780, 23737719), (956, 19367595), (1170, 15825146), (1195, 15494076), (1434, 12911730), (2151, 8607820), (2340, 7912573), (2390, 7747038), (2868, 6455865), (3107, 5959260), (3585, 5164692), (4302, 4303910), (4780, 3873519), (6214, 2979630), (7170, 2582346), (8604, 2151955), (9321, 1986420), (10755, 1721564), (12428, 1489815), (14340, 1291173), (15535, 1191852), (18642, 993210), (21510, 860782), (27963, 662140), (31070, 595926), (33107, 559260), (37284, 496605), (43020, 430391), (46605, 397284), (55926, 331070), (62140, 297963), (66214, 279630), (93210, 198642), (99321, 186420), (111852, 165535), (132428, 139815)]