18336780

素因数分解:

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

素因数の和:56

約数の個数: 288

約数和(自身を含む): 73382400

約数和(自身を除く): 55045620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 98, 99, 105, 108, 110, 126, 132, 135, 140, 147, 154, 162, 165, 180, 189, 196, 198, 210, 220, 231, 243, 245, 252, 270, 294, 297, 308, 315, 324, 330, 343, 378, 385, 396, 405, 420, 441, 462, 486, 490, 495, 539, 540, 567, 588, 594, 630, 660, 686, 693, 735, 756, 770, 810, 882, 891, 924, 945, 972, 980, 990, 1029, 1078, 1134, 1155, 1188, 1215, 1260, 1323, 1372, 1386, 1470, 1485, 1540, 1617, 1620, 1701, 1715, 1764, 1782, 1890, 1980, 2058, 2079, 2156, 2205, 2268, 2310, 2430, 2646, 2673, 2695, 2772, 2835, 2940, 2970, 3087, 3234, 3402, 3430, 3465, 3564, 3773, 3780, 3969, 4116, 4158, 4410, 4455, 4620, 4851, 4860, 5145, 5292, 5346, 5390, 5670, 5940, 6174, 6237, 6468, 6615, 6804, 6860, 6930, 7546, 7938, 8085, 8316, 8505, 8820, 8910, 9261, 9702, 10290, 10395, 10692, 10780, 11319, 11340, 11907, 12348, 12474, 13230, 13365, 13860, 14553, 15092, 15435, 15876, 16170, 17010, 17820, 18522, 18711, 18865, 19404, 19845, 20580, 20790, 22638, 23814, 24255, 24948, 26460, 26730, 27783, 29106, 30870, 31185, 32340, 33957, 34020, 37044, 37422, 37730, 39690, 41580, 43659, 45276, 46305, 47628, 48510, 53460, 55566, 56595, 58212, 59535, 61740, 62370, 67914, 72765, 74844, 75460, 79380, 83349, 87318, 92610, 93555, 97020, 101871, 111132, 113190, 119070, 124740, 130977, 135828, 138915, 145530, 166698, 169785, 174636, 185220, 187110, 203742, 218295, 226380, 238140, 261954, 277830, 291060, 305613, 333396, 339570, 374220, 407484, 416745, 436590, 509355, 523908, 555660, 611226, 654885, 679140, 833490, 873180, 916839, 1018710, 1222452, 1309770, 1528065, 1666980, 1833678, 2037420, 2619540, 3056130, 3667356, 4584195, 6112260, 9168390, 18336780]

約数ペア:

[(1, 18336780), (2, 9168390), (3, 6112260), (4, 4584195), (5, 3667356), (6, 3056130), (7, 2619540), (9, 2037420), (10, 1833678), (11, 1666980), (12, 1528065), (14, 1309770), (15, 1222452), (18, 1018710), (20, 916839), (21, 873180), (22, 833490), (27, 679140), (28, 654885), (30, 611226), (33, 555660), (35, 523908), (36, 509355), (42, 436590), (44, 416745), (45, 407484), (49, 374220), (54, 339570), (55, 333396), (60, 305613), (63, 291060), (66, 277830), (70, 261954), (77, 238140), (81, 226380), (84, 218295), (90, 203742), (98, 187110), (99, 185220), (105, 174636), (108, 169785), (110, 166698), (126, 145530), (132, 138915), (135, 135828), (140, 130977), (147, 124740), (154, 119070), (162, 113190), (165, 111132), (180, 101871), (189, 97020), (196, 93555), (198, 92610), (210, 87318), (220, 83349), (231, 79380), (243, 75460), (245, 74844), (252, 72765), (270, 67914), (294, 62370), (297, 61740), (308, 59535), (315, 58212), (324, 56595), (330, 55566), (343, 53460), (378, 48510), (385, 47628), (396, 46305), (405, 45276), (420, 43659), (441, 41580), (462, 39690), (486, 37730), (490, 37422), (495, 37044), (539, 34020), (540, 33957), (567, 32340), (588, 31185), (594, 30870), (630, 29106), (660, 27783), (686, 26730), (693, 26460), (735, 24948), (756, 24255), (770, 23814), (810, 22638), (882, 20790), (891, 20580), (924, 19845), (945, 19404), (972, 18865), (980, 18711), (990, 18522), (1029, 17820), (1078, 17010), (1134, 16170), (1155, 15876), (1188, 15435), (1215, 15092), (1260, 14553), (1323, 13860), (1372, 13365), (1386, 13230), (1470, 12474), (1485, 12348), (1540, 11907), (1617, 11340), (1620, 11319), (1701, 10780), (1715, 10692), (1764, 10395), (1782, 10290), (1890, 9702), (1980, 9261), (2058, 8910), (2079, 8820), (2156, 8505), (2205, 8316), (2268, 8085), (2310, 7938), (2430, 7546), (2646, 6930), (2673, 6860), (2695, 6804), (2772, 6615), (2835, 6468), (2940, 6237), (2970, 6174), (3087, 5940), (3234, 5670), (3402, 5390), (3430, 5346), (3465, 5292), (3564, 5145), (3773, 4860), (3780, 4851), (3969, 4620), (4116, 4455), (4158, 4410)]