18157260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 58183776

約数和(自身を除く): 40026516

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 61, 66, 82, 110, 121, 122, 123, 132, 164, 165, 183, 205, 220, 242, 244, 246, 305, 330, 363, 366, 410, 451, 484, 492, 605, 610, 615, 660, 671, 726, 732, 820, 902, 915, 1210, 1220, 1230, 1342, 1353, 1452, 1804, 1815, 1830, 2013, 2255, 2420, 2460, 2501, 2684, 2706, 3355, 3630, 3660, 4026, 4510, 4961, 5002, 5412, 6710, 6765, 7260, 7381, 7503, 8052, 9020, 9922, 10004, 10065, 12505, 13420, 13530, 14762, 14883, 15006, 19844, 20130, 22143, 24805, 25010, 27060, 27511, 29524, 29766, 30012, 36905, 37515, 40260, 44286, 49610, 50020, 55022, 59532, 73810, 74415, 75030, 82533, 88572, 99220, 110044, 110715, 137555, 147620, 148830, 150060, 165066, 221430, 275110, 297660, 302621, 330132, 412665, 442860, 550220, 605242, 825330, 907863, 1210484, 1513105, 1650660, 1815726, 3026210, 3631452, 4539315, 6052420, 9078630, 18157260]

約数ペア:

[(1, 18157260), (2, 9078630), (3, 6052420), (4, 4539315), (5, 3631452), (6, 3026210), (10, 1815726), (11, 1650660), (12, 1513105), (15, 1210484), (20, 907863), (22, 825330), (30, 605242), (33, 550220), (41, 442860), (44, 412665), (55, 330132), (60, 302621), (61, 297660), (66, 275110), (82, 221430), (110, 165066), (121, 150060), (122, 148830), (123, 147620), (132, 137555), (164, 110715), (165, 110044), (183, 99220), (205, 88572), (220, 82533), (242, 75030), (244, 74415), (246, 73810), (305, 59532), (330, 55022), (363, 50020), (366, 49610), (410, 44286), (451, 40260), (484, 37515), (492, 36905), (605, 30012), (610, 29766), (615, 29524), (660, 27511), (671, 27060), (726, 25010), (732, 24805), (820, 22143), (902, 20130), (915, 19844), (1210, 15006), (1220, 14883), (1230, 14762), (1342, 13530), (1353, 13420), (1452, 12505), (1804, 10065), (1815, 10004), (1830, 9922), (2013, 9020), (2255, 8052), (2420, 7503), (2460, 7381), (2501, 7260), (2684, 6765), (2706, 6710), (3355, 5412), (3630, 5002), (3660, 4961), (4026, 4510)]