64454640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 200749056

約数和(自身を除く): 136294416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 991, 1084, 1355, 1626, 1982, 2168, 2710, 2973, 3252, 3964, 4065, 4336, 4955, 5420, 5946, 6504, 7928, 8130, 9910, 10840, 11892, 13008, 14865, 15856, 16260, 19820, 21680, 23784, 29730, 32520, 39640, 47568, 59460, 65040, 79280, 118920, 237840, 268561, 537122, 805683, 1074244, 1342805, 1611366, 2148488, 2685610, 3222732, 4028415, 4296976, 5371220, 6445464, 8056830, 10742440, 12890928, 16113660, 21484880, 32227320, 64454640]

約数ペア:

[(1, 64454640), (2, 32227320), (3, 21484880), (4, 16113660), (5, 12890928), (6, 10742440), (8, 8056830), (10, 6445464), (12, 5371220), (15, 4296976), (16, 4028415), (20, 3222732), (24, 2685610), (30, 2148488), (40, 1611366), (48, 1342805), (60, 1074244), (80, 805683), (120, 537122), (240, 268561), (271, 237840), (542, 118920), (813, 79280), (991, 65040), (1084, 59460), (1355, 47568), (1626, 39640), (1982, 32520), (2168, 29730), (2710, 23784), (2973, 21680), (3252, 19820), (3964, 16260), (4065, 15856), (4336, 14865), (4955, 13008), (5420, 11892), (5946, 10840), (6504, 9910), (7928, 8130)]