18378741640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{673}}^1\times {\mathrm{13933}}^1$

素因数の和:14631

約数の個数: 96

約数和(自身を含む): 48178477080

約数和(自身を除く): 29799735440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 673, 980, 1346, 1960, 2692, 3365, 4711, 5384, 6730, 9422, 13460, 13933, 18844, 23555, 26920, 27866, 32977, 37688, 47110, 55732, 65954, 69665, 94220, 97531, 111464, 131908, 139330, 164885, 188440, 195062, 263816, 278660, 329770, 390124, 487655, 557320, 659540, 682717, 780248, 975310, 1319080, 1365434, 1950620, 2730868, 3413585, 3901240, 5461736, 6827170, 9376909, 13654340, 18753818, 27308680, 37507636, 46884545, 65638363, 75015272, 93769090, 131276726, 187538180, 262553452, 328191815, 375076360, 459468541, 525106904, 656383630, 918937082, 1312767260, 1837874164, 2297342705, 2625534520, 3675748328, 4594685410, 9189370820, 18378741640]

約数ペア:

[(1, 18378741640), (2, 9189370820), (4, 4594685410), (5, 3675748328), (7, 2625534520), (8, 2297342705), (10, 1837874164), (14, 1312767260), (20, 918937082), (28, 656383630), (35, 525106904), (40, 459468541), (49, 375076360), (56, 328191815), (70, 262553452), (98, 187538180), (140, 131276726), (196, 93769090), (245, 75015272), (280, 65638363), (392, 46884545), (490, 37507636), (673, 27308680), (980, 18753818), (1346, 13654340), (1960, 9376909), (2692, 6827170), (3365, 5461736), (4711, 3901240), (5384, 3413585), (6730, 2730868), (9422, 1950620), (13460, 1365434), (13933, 1319080), (18844, 975310), (23555, 780248), (26920, 682717), (27866, 659540), (32977, 557320), (37688, 487655), (47110, 390124), (55732, 329770), (65954, 278660), (69665, 263816), (94220, 195062), (97531, 188440), (111464, 164885), (131908, 139330)]