138655920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2387

約数の個数: 160

約数和(自身を含む): 487468800

約数和(自身を除く): 348812880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2339, 2470, 2964, 3120, 3705, 3952, 4560, 4678, 4940, 5928, 7017, 7410, 9356, 9880, 11695, 11856, 14034, 14820, 18712, 19760, 23390, 28068, 29640, 30407, 35085, 37424, 44441, 46780, 56136, 59280, 60814, 70170, 88882, 91221, 93560, 112272, 121628, 133323, 140340, 152035, 177764, 182442, 187120, 222205, 243256, 266646, 280680, 304070, 355528, 364884, 444410, 456105, 486512, 533292, 561360, 577733, 608140, 666615, 711056, 729768, 888820, 912210, 1066584, 1155466, 1216280, 1333230, 1459536, 1733199, 1777640, 1824420, 2133168, 2310932, 2432560, 2666460, 2888665, 3466398, 3555280, 3648840, 4621864, 5332920, 5777330, 6932796, 7297680, 8665995, 9243728, 10665840, 11554660, 13865592, 17331990, 23109320, 27731184, 34663980, 46218640, 69327960, 138655920]

約数ペア:

[(1, 138655920), (2, 69327960), (3, 46218640), (4, 34663980), (5, 27731184), (6, 23109320), (8, 17331990), (10, 13865592), (12, 11554660), (13, 10665840), (15, 9243728), (16, 8665995), (19, 7297680), (20, 6932796), (24, 5777330), (26, 5332920), (30, 4621864), (38, 3648840), (39, 3555280), (40, 3466398), (48, 2888665), (52, 2666460), (57, 2432560), (60, 2310932), (65, 2133168), (76, 1824420), (78, 1777640), (80, 1733199), (95, 1459536), (104, 1333230), (114, 1216280), (120, 1155466), (130, 1066584), (152, 912210), (156, 888820), (190, 729768), (195, 711056), (208, 666615), (228, 608140), (240, 577733), (247, 561360), (260, 533292), (285, 486512), (304, 456105), (312, 444410), (380, 364884), (390, 355528), (456, 304070), (494, 280680), (520, 266646), (570, 243256), (624, 222205), (741, 187120), (760, 182442), (780, 177764), (912, 152035), (988, 140340), (1040, 133323), (1140, 121628), (1235, 112272), (1482, 93560), (1520, 91221), (1560, 88882), (1976, 70170), (2280, 60814), (2339, 59280), (2470, 56136), (2964, 46780), (3120, 44441), (3705, 37424), (3952, 35085), (4560, 30407), (4678, 29640), (4940, 28068), (5928, 23390), (7017, 19760), (7410, 18712), (9356, 14820), (9880, 14034), (11695, 11856)]