1389387480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4663}}^1$

素因数の和:4881

約数の個数: 128

約数和(自身を含む): 4513259520

約数和(自身を除く): 3123872040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 191, 195, 260, 312, 382, 390, 520, 573, 764, 780, 955, 1146, 1528, 1560, 1910, 2292, 2483, 2865, 3820, 4584, 4663, 4966, 5730, 7449, 7640, 9326, 9932, 11460, 12415, 13989, 14898, 18652, 19864, 22920, 23315, 24830, 27978, 29796, 37245, 37304, 46630, 49660, 55956, 59592, 60619, 69945, 74490, 93260, 99320, 111912, 121238, 139890, 148980, 181857, 186520, 242476, 279780, 297960, 303095, 363714, 484952, 559560, 606190, 727428, 890633, 909285, 1212380, 1454856, 1781266, 1818570, 2424760, 2671899, 3562532, 3637140, 4453165, 5343798, 7125064, 7274280, 8906330, 10687596, 11578229, 13359495, 17812660, 21375192, 23156458, 26718990, 34734687, 35625320, 46312916, 53437980, 57891145, 69469374, 92625832, 106875960, 115782290, 138938748, 173673435, 231564580, 277877496, 347346870, 463129160, 694693740, 1389387480]

約数ペア:

[(1, 1389387480), (2, 694693740), (3, 463129160), (4, 347346870), (5, 277877496), (6, 231564580), (8, 173673435), (10, 138938748), (12, 115782290), (13, 106875960), (15, 92625832), (20, 69469374), (24, 57891145), (26, 53437980), (30, 46312916), (39, 35625320), (40, 34734687), (52, 26718990), (60, 23156458), (65, 21375192), (78, 17812660), (104, 13359495), (120, 11578229), (130, 10687596), (156, 8906330), (191, 7274280), (195, 7125064), (260, 5343798), (312, 4453165), (382, 3637140), (390, 3562532), (520, 2671899), (573, 2424760), (764, 1818570), (780, 1781266), (955, 1454856), (1146, 1212380), (1528, 909285), (1560, 890633), (1910, 727428), (2292, 606190), (2483, 559560), (2865, 484952), (3820, 363714), (4584, 303095), (4663, 297960), (4966, 279780), (5730, 242476), (7449, 186520), (7640, 181857), (9326, 148980), (9932, 139890), (11460, 121238), (12415, 111912), (13989, 99320), (14898, 93260), (18652, 74490), (19864, 69945), (22920, 60619), (23315, 59592), (24830, 55956), (27978, 49660), (29796, 46630), (37245, 37304)]