281809680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 160

約数和(自身を含む): 932083200

約数和(自身を除く): 650273520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 239, 240, 255, 272, 289, 340, 408, 478, 510, 578, 680, 717, 816, 867, 956, 1020, 1156, 1195, 1360, 1434, 1445, 1734, 1912, 2040, 2312, 2390, 2868, 2890, 3468, 3585, 3824, 4063, 4080, 4335, 4624, 4780, 4913, 5736, 5780, 6936, 7170, 8126, 8670, 9560, 9826, 11472, 11560, 12189, 13872, 14340, 14739, 16252, 17340, 19120, 19652, 20315, 23120, 24378, 24565, 28680, 29478, 32504, 34680, 39304, 40630, 48756, 49130, 57360, 58956, 60945, 65008, 69071, 69360, 73695, 78608, 81260, 97512, 98260, 117912, 121890, 138142, 147390, 162520, 195024, 196520, 207213, 235824, 243780, 276284, 294780, 325040, 345355, 393040, 414426, 487560, 552568, 589560, 690710, 828852, 975120, 1036065, 1105136, 1174207, 1179120, 1381420, 1657704, 2072130, 2348414, 2762840, 3315408, 3522621, 4144260, 4696828, 5525680, 5871035, 7045242, 8288520, 9393656, 11742070, 14090484, 16577040, 17613105, 18787312, 23484140, 28180968, 35226210, 46968280, 56361936, 70452420, 93936560, 140904840, 281809680]

約数ペア:

[(1, 281809680), (2, 140904840), (3, 93936560), (4, 70452420), (5, 56361936), (6, 46968280), (8, 35226210), (10, 28180968), (12, 23484140), (15, 18787312), (16, 17613105), (17, 16577040), (20, 14090484), (24, 11742070), (30, 9393656), (34, 8288520), (40, 7045242), (48, 5871035), (51, 5525680), (60, 4696828), (68, 4144260), (80, 3522621), (85, 3315408), (102, 2762840), (120, 2348414), (136, 2072130), (170, 1657704), (204, 1381420), (239, 1179120), (240, 1174207), (255, 1105136), (272, 1036065), (289, 975120), (340, 828852), (408, 690710), (478, 589560), (510, 552568), (578, 487560), (680, 414426), (717, 393040), (816, 345355), (867, 325040), (956, 294780), (1020, 276284), (1156, 243780), (1195, 235824), (1360, 207213), (1434, 196520), (1445, 195024), (1734, 162520), (1912, 147390), (2040, 138142), (2312, 121890), (2390, 117912), (2868, 98260), (2890, 97512), (3468, 81260), (3585, 78608), (3824, 73695), (4063, 69360), (4080, 69071), (4335, 65008), (4624, 60945), (4780, 58956), (4913, 57360), (5736, 49130), (5780, 48756), (6936, 40630), (7170, 39304), (8126, 34680), (8670, 32504), (9560, 29478), (9826, 28680), (11472, 24565), (11560, 24378), (12189, 23120), (13872, 20315), (14340, 19652), (14739, 19120), (16252, 17340)]