128909280

素因数分解:

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

素因数の和:1280

約数の個数: 96

約数和(自身を含む): 407973888

約数和(自身を除く): 279064608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 271, 480, 542, 813, 991, 1084, 1355, 1626, 1982, 2168, 2710, 2973, 3252, 3964, 4065, 4336, 4955, 5420, 5946, 6504, 7928, 8130, 8672, 9910, 10840, 11892, 13008, 14865, 15856, 16260, 19820, 21680, 23784, 26016, 29730, 31712, 32520, 39640, 43360, 47568, 59460, 65040, 79280, 95136, 118920, 130080, 158560, 237840, 268561, 475680, 537122, 805683, 1074244, 1342805, 1611366, 2148488, 2685610, 3222732, 4028415, 4296976, 5371220, 6445464, 8056830, 8593952, 10742440, 12890928, 16113660, 21484880, 25781856, 32227320, 42969760, 64454640, 128909280]

約数ペア:

[(1, 128909280), (2, 64454640), (3, 42969760), (4, 32227320), (5, 25781856), (6, 21484880), (8, 16113660), (10, 12890928), (12, 10742440), (15, 8593952), (16, 8056830), (20, 6445464), (24, 5371220), (30, 4296976), (32, 4028415), (40, 3222732), (48, 2685610), (60, 2148488), (80, 1611366), (96, 1342805), (120, 1074244), (160, 805683), (240, 537122), (271, 475680), (480, 268561), (542, 237840), (813, 158560), (991, 130080), (1084, 118920), (1355, 95136), (1626, 79280), (1982, 65040), (2168, 59460), (2710, 47568), (2973, 43360), (3252, 39640), (3964, 32520), (4065, 31712), (4336, 29730), (4955, 26016), (5420, 23784), (5946, 21680), (6504, 19820), (7928, 16260), (8130, 15856), (8672, 14865), (9910, 13008), (10840, 11892)]