1655280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 180

約数和(自身を含む): 6431880

約数和(自身を除く): 4776600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 121, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 242, 264, 285, 304, 330, 342, 360, 363, 380, 396, 418, 440, 456, 484, 495, 528, 570, 605, 627, 660, 684, 720, 726, 760, 792, 836, 855, 880, 912, 968, 990, 1045, 1089, 1140, 1210, 1254, 1320, 1368, 1452, 1520, 1584, 1672, 1710, 1815, 1881, 1936, 1980, 2090, 2178, 2280, 2299, 2420, 2508, 2640, 2736, 2904, 3135, 3344, 3420, 3630, 3762, 3960, 4180, 4356, 4560, 4598, 4840, 5016, 5445, 5808, 6270, 6840, 6897, 7260, 7524, 7920, 8360, 8712, 9196, 9405, 9680, 10032, 10890, 11495, 12540, 13680, 13794, 14520, 15048, 16720, 17424, 18392, 18810, 20691, 21780, 22990, 25080, 27588, 29040, 30096, 34485, 36784, 37620, 41382, 43560, 45980, 50160, 55176, 68970, 75240, 82764, 87120, 91960, 103455, 110352, 137940, 150480, 165528, 183920, 206910, 275880, 331056, 413820, 551760, 827640, 1655280]

約数ペア:

[(1, 1655280), (2, 827640), (3, 551760), (4, 413820), (5, 331056), (6, 275880), (8, 206910), (9, 183920), (10, 165528), (11, 150480), (12, 137940), (15, 110352), (16, 103455), (18, 91960), (19, 87120), (20, 82764), (22, 75240), (24, 68970), (30, 55176), (33, 50160), (36, 45980), (38, 43560), (40, 41382), (44, 37620), (45, 36784), (48, 34485), (55, 30096), (57, 29040), (60, 27588), (66, 25080), (72, 22990), (76, 21780), (80, 20691), (88, 18810), (90, 18392), (95, 17424), (99, 16720), (110, 15048), (114, 14520), (120, 13794), (121, 13680), (132, 12540), (144, 11495), (152, 10890), (165, 10032), (171, 9680), (176, 9405), (180, 9196), (190, 8712), (198, 8360), (209, 7920), (220, 7524), (228, 7260), (240, 6897), (242, 6840), (264, 6270), (285, 5808), (304, 5445), (330, 5016), (342, 4840), (360, 4598), (363, 4560), (380, 4356), (396, 4180), (418, 3960), (440, 3762), (456, 3630), (484, 3420), (495, 3344), (528, 3135), (570, 2904), (605, 2736), (627, 2640), (660, 2508), (684, 2420), (720, 2299), (726, 2280), (760, 2178), (792, 2090), (836, 1980), (855, 1936), (880, 1881), (912, 1815), (968, 1710), (990, 1672), (1045, 1584), (1089, 1520), (1140, 1452), (1210, 1368), (1254, 1320)]