280537560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1058

約数の個数: 128

約数和(自身を含む): 938865600

約数和(自身を除く): 658328040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 540, 617, 842, 1080, 1234, 1263, 1684, 1851, 2105, 2468, 2526, 3085, 3368, 3702, 3789, 4210, 4936, 5052, 5553, 6170, 6315, 7404, 7578, 8420, 9255, 10104, 11106, 11367, 12340, 12630, 14808, 15156, 16659, 16840, 18510, 18945, 22212, 22734, 24680, 25260, 27765, 30312, 33318, 37020, 37890, 44424, 45468, 50520, 55530, 56835, 66636, 74040, 75780, 83295, 90936, 111060, 113670, 133272, 151560, 166590, 222120, 227340, 259757, 333180, 454680, 519514, 666360, 779271, 1039028, 1298785, 1558542, 2078056, 2337813, 2597570, 3117084, 3896355, 4675626, 5195140, 6234168, 7013439, 7792710, 9351252, 10390280, 11689065, 14026878, 15585420, 18702504, 23378130, 28053756, 31170840, 35067195, 46756260, 56107512, 70134390, 93512520, 140268780, 280537560]

約数ペア:

[(1, 280537560), (2, 140268780), (3, 93512520), (4, 70134390), (5, 56107512), (6, 46756260), (8, 35067195), (9, 31170840), (10, 28053756), (12, 23378130), (15, 18702504), (18, 15585420), (20, 14026878), (24, 11689065), (27, 10390280), (30, 9351252), (36, 7792710), (40, 7013439), (45, 6234168), (54, 5195140), (60, 4675626), (72, 3896355), (90, 3117084), (108, 2597570), (120, 2337813), (135, 2078056), (180, 1558542), (216, 1298785), (270, 1039028), (360, 779271), (421, 666360), (540, 519514), (617, 454680), (842, 333180), (1080, 259757), (1234, 227340), (1263, 222120), (1684, 166590), (1851, 151560), (2105, 133272), (2468, 113670), (2526, 111060), (3085, 90936), (3368, 83295), (3702, 75780), (3789, 74040), (4210, 66636), (4936, 56835), (5052, 55530), (5553, 50520), (6170, 45468), (6315, 44424), (7404, 37890), (7578, 37020), (8420, 33318), (9255, 30312), (10104, 27765), (11106, 25260), (11367, 24680), (12340, 22734), (12630, 22212), (14808, 18945), (15156, 18510), (16659, 16840)]