1381680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 4932720

約数和(自身を除く): 3551040

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, 101, 114, 120, 144, 152, 171, 180, 190, 202, 228, 240, 285, 303, 304, 342, 360, 380, 404, 456, 505, 570, 606, 684, 720, 760, 808, 855, 909, 912, 1010, 1140, 1212, 1368, 1515, 1520, 1616, 1710, 1818, 1919, 2020, 2280, 2424, 2736, 3030, 3420, 3636, 3838, 4040, 4545, 4560, 4848, 5757, 6060, 6840, 7272, 7676, 8080, 9090, 9595, 11514, 12120, 13680, 14544, 15352, 17271, 18180, 19190, 23028, 24240, 28785, 30704, 34542, 36360, 38380, 46056, 57570, 69084, 72720, 76760, 86355, 92112, 115140, 138168, 153520, 172710, 230280, 276336, 345420, 460560, 690840, 1381680]

約数ペア:

[(1, 1381680), (2, 690840), (3, 460560), (4, 345420), (5, 276336), (6, 230280), (8, 172710), (9, 153520), (10, 138168), (12, 115140), (15, 92112), (16, 86355), (18, 76760), (19, 72720), (20, 69084), (24, 57570), (30, 46056), (36, 38380), (38, 36360), (40, 34542), (45, 30704), (48, 28785), (57, 24240), (60, 23028), (72, 19190), (76, 18180), (80, 17271), (90, 15352), (95, 14544), (101, 13680), (114, 12120), (120, 11514), (144, 9595), (152, 9090), (171, 8080), (180, 7676), (190, 7272), (202, 6840), (228, 6060), (240, 5757), (285, 4848), (303, 4560), (304, 4545), (342, 4040), (360, 3838), (380, 3636), (404, 3420), (456, 3030), (505, 2736), (570, 2424), (606, 2280), (684, 2020), (720, 1919), (760, 1818), (808, 1710), (855, 1616), (909, 1520), (912, 1515), (1010, 1368), (1140, 1212)]