1288980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 192

約数和(自身を含む): 5160960

約数和(自身を除く): 3871980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 31, 33, 35, 36, 42, 44, 45, 54, 55, 60, 62, 63, 66, 70, 77, 84, 90, 93, 99, 105, 108, 110, 124, 126, 132, 135, 140, 154, 155, 165, 180, 186, 189, 198, 210, 217, 220, 231, 252, 270, 279, 297, 308, 310, 315, 330, 341, 372, 378, 385, 396, 420, 434, 462, 465, 495, 540, 558, 594, 620, 630, 651, 660, 682, 693, 756, 770, 837, 868, 924, 930, 945, 990, 1023, 1085, 1116, 1155, 1188, 1260, 1302, 1364, 1386, 1395, 1485, 1540, 1674, 1705, 1860, 1890, 1953, 1980, 2046, 2079, 2170, 2310, 2387, 2604, 2772, 2790, 2970, 3069, 3255, 3348, 3410, 3465, 3780, 3906, 4092, 4158, 4185, 4340, 4620, 4774, 5115, 5580, 5859, 5940, 6138, 6510, 6820, 6930, 7161, 7812, 8316, 8370, 9207, 9548, 9765, 10230, 10395, 11718, 11935, 12276, 13020, 13860, 14322, 15345, 16740, 18414, 19530, 20460, 20790, 21483, 23436, 23870, 28644, 29295, 30690, 35805, 36828, 39060, 41580, 42966, 46035, 47740, 58590, 61380, 64449, 71610, 85932, 92070, 107415, 117180, 128898, 143220, 184140, 214830, 257796, 322245, 429660, 644490, 1288980]

約数ペア:

[(1, 1288980), (2, 644490), (3, 429660), (4, 322245), (5, 257796), (6, 214830), (7, 184140), (9, 143220), (10, 128898), (11, 117180), (12, 107415), (14, 92070), (15, 85932), (18, 71610), (20, 64449), (21, 61380), (22, 58590), (27, 47740), (28, 46035), (30, 42966), (31, 41580), (33, 39060), (35, 36828), (36, 35805), (42, 30690), (44, 29295), (45, 28644), (54, 23870), (55, 23436), (60, 21483), (62, 20790), (63, 20460), (66, 19530), (70, 18414), (77, 16740), (84, 15345), (90, 14322), (93, 13860), (99, 13020), (105, 12276), (108, 11935), (110, 11718), (124, 10395), (126, 10230), (132, 9765), (135, 9548), (140, 9207), (154, 8370), (155, 8316), (165, 7812), (180, 7161), (186, 6930), (189, 6820), (198, 6510), (210, 6138), (217, 5940), (220, 5859), (231, 5580), (252, 5115), (270, 4774), (279, 4620), (297, 4340), (308, 4185), (310, 4158), (315, 4092), (330, 3906), (341, 3780), (372, 3465), (378, 3410), (385, 3348), (396, 3255), (420, 3069), (434, 2970), (462, 2790), (465, 2772), (495, 2604), (540, 2387), (558, 2310), (594, 2170), (620, 2079), (630, 2046), (651, 1980), (660, 1953), (682, 1890), (693, 1860), (756, 1705), (770, 1674), (837, 1540), (868, 1485), (924, 1395), (930, 1386), (945, 1364), (990, 1302), (1023, 1260), (1085, 1188), (1116, 1155)]