25540560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1905

約数の個数: 120

約数和(自身を含む): 90336480

約数和(自身を除く): 64795920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 1867, 2280, 2736, 3420, 3734, 4560, 5601, 6840, 7468, 9335, 11202, 13680, 14936, 16803, 18670, 22404, 28005, 29872, 33606, 35473, 37340, 44808, 56010, 67212, 70946, 74680, 84015, 89616, 106419, 112020, 134424, 141892, 149360, 168030, 177365, 212838, 224040, 268848, 283784, 319257, 336060, 354730, 425676, 448080, 532095, 567568, 638514, 672120, 709460, 851352, 1064190, 1277028, 1344240, 1418920, 1596285, 1702704, 2128380, 2554056, 2837840, 3192570, 4256760, 5108112, 6385140, 8513520, 12770280, 25540560]

約数ペア:

[(1, 25540560), (2, 12770280), (3, 8513520), (4, 6385140), (5, 5108112), (6, 4256760), (8, 3192570), (9, 2837840), (10, 2554056), (12, 2128380), (15, 1702704), (16, 1596285), (18, 1418920), (19, 1344240), (20, 1277028), (24, 1064190), (30, 851352), (36, 709460), (38, 672120), (40, 638514), (45, 567568), (48, 532095), (57, 448080), (60, 425676), (72, 354730), (76, 336060), (80, 319257), (90, 283784), (95, 268848), (114, 224040), (120, 212838), (144, 177365), (152, 168030), (171, 149360), (180, 141892), (190, 134424), (228, 112020), (240, 106419), (285, 89616), (304, 84015), (342, 74680), (360, 70946), (380, 67212), (456, 56010), (570, 44808), (684, 37340), (720, 35473), (760, 33606), (855, 29872), (912, 28005), (1140, 22404), (1368, 18670), (1520, 16803), (1710, 14936), (1867, 13680), (2280, 11202), (2736, 9335), (3420, 7468), (3734, 6840), (4560, 5601)]