31221360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 106121184

約数和(自身を除く): 74899824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 421, 515, 618, 720, 824, 842, 927, 1030, 1236, 1263, 1545, 1648, 1684, 1854, 2060, 2105, 2472, 2526, 3090, 3368, 3708, 3789, 4120, 4210, 4635, 4944, 5052, 6180, 6315, 6736, 7416, 7578, 8240, 8420, 9270, 10104, 12360, 12630, 14832, 15156, 16840, 18540, 18945, 20208, 24720, 25260, 30312, 33680, 37080, 37890, 43363, 50520, 60624, 74160, 75780, 86726, 101040, 130089, 151560, 173452, 216815, 260178, 303120, 346904, 390267, 433630, 520356, 650445, 693808, 780534, 867260, 1040712, 1300890, 1561068, 1734520, 1951335, 2081424, 2601780, 3122136, 3469040, 3902670, 5203560, 6244272, 7805340, 10407120, 15610680, 31221360]

約数ペア:

[(1, 31221360), (2, 15610680), (3, 10407120), (4, 7805340), (5, 6244272), (6, 5203560), (8, 3902670), (9, 3469040), (10, 3122136), (12, 2601780), (15, 2081424), (16, 1951335), (18, 1734520), (20, 1561068), (24, 1300890), (30, 1040712), (36, 867260), (40, 780534), (45, 693808), (48, 650445), (60, 520356), (72, 433630), (80, 390267), (90, 346904), (103, 303120), (120, 260178), (144, 216815), (180, 173452), (206, 151560), (240, 130089), (309, 101040), (360, 86726), (412, 75780), (421, 74160), (515, 60624), (618, 50520), (720, 43363), (824, 37890), (842, 37080), (927, 33680), (1030, 30312), (1236, 25260), (1263, 24720), (1545, 20208), (1648, 18945), (1684, 18540), (1854, 16840), (2060, 15156), (2105, 14832), (2472, 12630), (2526, 12360), (3090, 10104), (3368, 9270), (3708, 8420), (3789, 8240), (4120, 7578), (4210, 7416), (4635, 6736), (4944, 6315), (5052, 6180)]