280905120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10267}}^1$

素因数の和:10307

約数の個数: 144

約数和(自身を含む): 1009139040

約数和(自身を除く): 728233920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 10267, 13680, 20534, 27360, 30801, 41068, 51335, 61602, 82136, 92403, 102670, 123204, 154005, 164272, 184806, 195073, 205340, 246408, 308010, 328544, 369612, 390146, 410680, 462015, 492816, 585219, 616020, 739224, 780292, 821360, 924030, 975365, 985632, 1170438, 1232040, 1478448, 1560584, 1642720, 1755657, 1848060, 1950730, 2340876, 2464080, 2926095, 2956896, 3121168, 3511314, 3696120, 3901460, 4681752, 4928160, 5852190, 6242336, 7022628, 7392240, 7802920, 8778285, 9363504, 11704380, 14045256, 14784480, 15605840, 17556570, 18727008, 23408760, 28090512, 31211680, 35113140, 46817520, 56181024, 70226280, 93635040, 140452560, 280905120]

約数ペア:

[(1, 280905120), (2, 140452560), (3, 93635040), (4, 70226280), (5, 56181024), (6, 46817520), (8, 35113140), (9, 31211680), (10, 28090512), (12, 23408760), (15, 18727008), (16, 17556570), (18, 15605840), (19, 14784480), (20, 14045256), (24, 11704380), (30, 9363504), (32, 8778285), (36, 7802920), (38, 7392240), (40, 7022628), (45, 6242336), (48, 5852190), (57, 4928160), (60, 4681752), (72, 3901460), (76, 3696120), (80, 3511314), (90, 3121168), (95, 2956896), (96, 2926095), (114, 2464080), (120, 2340876), (144, 1950730), (152, 1848060), (160, 1755657), (171, 1642720), (180, 1560584), (190, 1478448), (228, 1232040), (240, 1170438), (285, 985632), (288, 975365), (304, 924030), (342, 821360), (360, 780292), (380, 739224), (456, 616020), (480, 585219), (570, 492816), (608, 462015), (684, 410680), (720, 390146), (760, 369612), (855, 328544), (912, 308010), (1140, 246408), (1368, 205340), (1440, 195073), (1520, 184806), (1710, 164272), (1824, 154005), (2280, 123204), (2736, 102670), (3040, 92403), (3420, 82136), (4560, 61602), (5472, 51335), (6840, 41068), (9120, 30801), (10267, 27360), (13680, 20534)]