155727880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 460961280

約数和(自身を除く): 305233400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 88, 98, 110, 124, 140, 154, 155, 196, 217, 220, 233, 245, 248, 280, 308, 310, 341, 385, 392, 434, 440, 466, 490, 539, 616, 620, 682, 770, 868, 932, 980, 1078, 1085, 1165, 1240, 1364, 1519, 1540, 1631, 1705, 1736, 1864, 1960, 2156, 2170, 2330, 2387, 2563, 2695, 2728, 3038, 3080, 3262, 3410, 4312, 4340, 4660, 4774, 5126, 5390, 6076, 6524, 6820, 7223, 7595, 8155, 8680, 9320, 9548, 10252, 10780, 11417, 11935, 12152, 12815, 13048, 13640, 14446, 15190, 16310, 16709, 17941, 19096, 20504, 21560, 22834, 23870, 25630, 28892, 30380, 32620, 33418, 35882, 36115, 45668, 47740, 50561, 51260, 57085, 57784, 60760, 65240, 66836, 71764, 72230, 79453, 83545, 89705, 91336, 95480, 101122, 102520, 114170, 125587, 133672, 143528, 144460, 158906, 167090, 179410, 202244, 228340, 251174, 252805, 288920, 317812, 334180, 353927, 358820, 397265, 404488, 456680, 502348, 505610, 556171, 627935, 635624, 668360, 707854, 717640, 794530, 1004696, 1011220, 1112342, 1255870, 1415708, 1589060, 1769635, 2022440, 2224684, 2511740, 2780855, 2831416, 3178120, 3539270, 3893197, 4449368, 5023480, 5561710, 7078540, 7786394, 11123420, 14157080, 15572788, 19465985, 22246840, 31145576, 38931970, 77863940, 155727880]

約数ペア:

[(1, 155727880), (2, 77863940), (4, 38931970), (5, 31145576), (7, 22246840), (8, 19465985), (10, 15572788), (11, 14157080), (14, 11123420), (20, 7786394), (22, 7078540), (28, 5561710), (31, 5023480), (35, 4449368), (40, 3893197), (44, 3539270), (49, 3178120), (55, 2831416), (56, 2780855), (62, 2511740), (70, 2224684), (77, 2022440), (88, 1769635), (98, 1589060), (110, 1415708), (124, 1255870), (140, 1112342), (154, 1011220), (155, 1004696), (196, 794530), (217, 717640), (220, 707854), (233, 668360), (245, 635624), (248, 627935), (280, 556171), (308, 505610), (310, 502348), (341, 456680), (385, 404488), (392, 397265), (434, 358820), (440, 353927), (466, 334180), (490, 317812), (539, 288920), (616, 252805), (620, 251174), (682, 228340), (770, 202244), (868, 179410), (932, 167090), (980, 158906), (1078, 144460), (1085, 143528), (1165, 133672), (1240, 125587), (1364, 114170), (1519, 102520), (1540, 101122), (1631, 95480), (1705, 91336), (1736, 89705), (1864, 83545), (1960, 79453), (2156, 72230), (2170, 71764), (2330, 66836), (2387, 65240), (2563, 60760), (2695, 57784), (2728, 57085), (3038, 51260), (3080, 50561), (3262, 47740), (3410, 45668), (4312, 36115), (4340, 35882), (4660, 33418), (4774, 32620), (5126, 30380), (5390, 28892), (6076, 25630), (6524, 23870), (6820, 22834), (7223, 21560), (7595, 20504), (8155, 19096), (8680, 17941), (9320, 16709), (9548, 16310), (10252, 15190), (10780, 14446), (11417, 13640), (11935, 13048), (12152, 12815)]