885780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 3319680

約数和(自身を除く): 2433900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 37, 38, 42, 45, 57, 60, 63, 70, 74, 76, 84, 90, 95, 105, 111, 114, 126, 133, 140, 148, 171, 180, 185, 190, 210, 222, 228, 252, 259, 266, 285, 315, 333, 342, 370, 380, 399, 420, 444, 518, 532, 555, 570, 630, 665, 666, 684, 703, 740, 777, 798, 855, 1036, 1110, 1140, 1197, 1260, 1295, 1330, 1332, 1406, 1554, 1596, 1665, 1710, 1995, 2109, 2220, 2331, 2394, 2590, 2660, 2812, 3108, 3330, 3420, 3515, 3885, 3990, 4218, 4662, 4788, 4921, 5180, 5985, 6327, 6660, 7030, 7770, 7980, 8436, 9324, 9842, 10545, 11655, 11970, 12654, 14060, 14763, 15540, 19684, 21090, 23310, 23940, 24605, 25308, 29526, 31635, 42180, 44289, 46620, 49210, 59052, 63270, 73815, 88578, 98420, 126540, 147630, 177156, 221445, 295260, 442890, 885780]

約数ペア:

[(1, 885780), (2, 442890), (3, 295260), (4, 221445), (5, 177156), (6, 147630), (7, 126540), (9, 98420), (10, 88578), (12, 73815), (14, 63270), (15, 59052), (18, 49210), (19, 46620), (20, 44289), (21, 42180), (28, 31635), (30, 29526), (35, 25308), (36, 24605), (37, 23940), (38, 23310), (42, 21090), (45, 19684), (57, 15540), (60, 14763), (63, 14060), (70, 12654), (74, 11970), (76, 11655), (84, 10545), (90, 9842), (95, 9324), (105, 8436), (111, 7980), (114, 7770), (126, 7030), (133, 6660), (140, 6327), (148, 5985), (171, 5180), (180, 4921), (185, 4788), (190, 4662), (210, 4218), (222, 3990), (228, 3885), (252, 3515), (259, 3420), (266, 3330), (285, 3108), (315, 2812), (333, 2660), (342, 2590), (370, 2394), (380, 2331), (399, 2220), (420, 2109), (444, 1995), (518, 1710), (532, 1665), (555, 1596), (570, 1554), (630, 1406), (665, 1332), (666, 1330), (684, 1295), (703, 1260), (740, 1197), (777, 1140), (798, 1110), (855, 1036)]