1987020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 7338240

約数和(自身を除く): 5351220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 83, 84, 90, 95, 105, 114, 126, 133, 140, 166, 171, 180, 190, 210, 228, 249, 252, 266, 285, 315, 332, 342, 380, 399, 415, 420, 498, 532, 570, 581, 630, 665, 684, 747, 798, 830, 855, 996, 1140, 1162, 1197, 1245, 1260, 1330, 1494, 1577, 1596, 1660, 1710, 1743, 1995, 2324, 2394, 2490, 2660, 2905, 2988, 3154, 3420, 3486, 3735, 3990, 4731, 4788, 4980, 5229, 5810, 5985, 6308, 6972, 7470, 7885, 7980, 8715, 9462, 10458, 11039, 11620, 11970, 14193, 14940, 15770, 17430, 18924, 20916, 22078, 23655, 23940, 26145, 28386, 31540, 33117, 34860, 44156, 47310, 52290, 55195, 56772, 66234, 70965, 94620, 99351, 104580, 110390, 132468, 141930, 165585, 198702, 220780, 283860, 331170, 397404, 496755, 662340, 993510, 1987020]

約数ペア:

[(1, 1987020), (2, 993510), (3, 662340), (4, 496755), (5, 397404), (6, 331170), (7, 283860), (9, 220780), (10, 198702), (12, 165585), (14, 141930), (15, 132468), (18, 110390), (19, 104580), (20, 99351), (21, 94620), (28, 70965), (30, 66234), (35, 56772), (36, 55195), (38, 52290), (42, 47310), (45, 44156), (57, 34860), (60, 33117), (63, 31540), (70, 28386), (76, 26145), (83, 23940), (84, 23655), (90, 22078), (95, 20916), (105, 18924), (114, 17430), (126, 15770), (133, 14940), (140, 14193), (166, 11970), (171, 11620), (180, 11039), (190, 10458), (210, 9462), (228, 8715), (249, 7980), (252, 7885), (266, 7470), (285, 6972), (315, 6308), (332, 5985), (342, 5810), (380, 5229), (399, 4980), (415, 4788), (420, 4731), (498, 3990), (532, 3735), (570, 3486), (581, 3420), (630, 3154), (665, 2988), (684, 2905), (747, 2660), (798, 2490), (830, 2394), (855, 2324), (996, 1995), (1140, 1743), (1162, 1710), (1197, 1660), (1245, 1596), (1260, 1577), (1330, 1494)]