27998460

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{823}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 100778496

約数和(自身を除く): 72780036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 823, 945, 972, 1134, 1215, 1260, 1620, 1646, 1701, 1890, 2268, 2430, 2469, 2835, 3292, 3402, 3780, 4115, 4860, 4938, 5670, 5761, 6804, 7407, 8230, 8505, 9876, 11340, 11522, 12345, 14814, 16460, 17010, 17283, 22221, 23044, 24690, 28805, 29628, 34020, 34566, 37035, 44442, 49380, 51849, 57610, 66663, 69132, 74070, 86415, 88884, 103698, 111105, 115220, 133326, 148140, 155547, 172830, 199989, 207396, 222210, 259245, 266652, 311094, 333315, 345660, 399978, 444420, 466641, 518490, 622188, 666630, 777735, 799956, 933282, 999945, 1036980, 1333260, 1399923, 1555470, 1866564, 1999890, 2333205, 2799846, 3110940, 3999780, 4666410, 5599692, 6999615, 9332820, 13999230, 27998460]

約数ペア:

[(1, 27998460), (2, 13999230), (3, 9332820), (4, 6999615), (5, 5599692), (6, 4666410), (7, 3999780), (9, 3110940), (10, 2799846), (12, 2333205), (14, 1999890), (15, 1866564), (18, 1555470), (20, 1399923), (21, 1333260), (27, 1036980), (28, 999945), (30, 933282), (35, 799956), (36, 777735), (42, 666630), (45, 622188), (54, 518490), (60, 466641), (63, 444420), (70, 399978), (81, 345660), (84, 333315), (90, 311094), (105, 266652), (108, 259245), (126, 222210), (135, 207396), (140, 199989), (162, 172830), (180, 155547), (189, 148140), (210, 133326), (243, 115220), (252, 111105), (270, 103698), (315, 88884), (324, 86415), (378, 74070), (405, 69132), (420, 66663), (486, 57610), (540, 51849), (567, 49380), (630, 44442), (756, 37035), (810, 34566), (823, 34020), (945, 29628), (972, 28805), (1134, 24690), (1215, 23044), (1260, 22221), (1620, 17283), (1646, 17010), (1701, 16460), (1890, 14814), (2268, 12345), (2430, 11522), (2469, 11340), (2835, 9876), (3292, 8505), (3402, 8230), (3780, 7407), (4115, 6804), (4860, 5761), (4938, 5670)]