81517380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201529020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 233, 238, 245, 255, 294, 340, 343, 357, 420, 466, 476, 490, 510, 588, 595, 686, 699, 714, 735, 833, 932, 980, 1020, 1029, 1165, 1190, 1372, 1398, 1428, 1470, 1631, 1666, 1715, 1785, 2058, 2330, 2380, 2499, 2796, 2940, 3262, 3332, 3430, 3495, 3570, 3961, 4116, 4165, 4660, 4893, 4998, 5145, 5831, 6524, 6860, 6990, 7140, 7922, 8155, 8330, 9786, 9996, 10290, 11417, 11662, 11883, 12495, 13980, 15844, 16310, 16660, 17493, 19572, 19805, 20580, 22834, 23324, 23766, 24465, 24990, 27727, 29155, 32620, 34251, 34986, 39610, 45668, 47532, 48930, 49980, 55454, 57085, 58310, 59415, 68502, 69972, 79220, 79919, 83181, 87465, 97860, 110908, 114170, 116620, 118830, 137004, 138635, 159838, 166362, 171255, 174930, 194089, 228340, 237660, 239757, 277270, 319676, 332724, 342510, 349860, 388178, 399595, 415905, 479514, 554540, 582267, 685020, 776356, 799190, 831810, 959028, 970445, 1164534, 1198785, 1358623, 1598380, 1663620, 1940890, 2329068, 2397570, 2717246, 2911335, 3881780, 4075869, 4795140, 5434492, 5822670, 6793115, 8151738, 11645340, 13586230, 16303476, 20379345, 27172460, 40758690, 81517380]

約数ペア:

[(1, 81517380), (2, 40758690), (3, 27172460), (4, 20379345), (5, 16303476), (6, 13586230), (7, 11645340), (10, 8151738), (12, 6793115), (14, 5822670), (15, 5434492), (17, 4795140), (20, 4075869), (21, 3881780), (28, 2911335), (30, 2717246), (34, 2397570), (35, 2329068), (42, 1940890), (49, 1663620), (51, 1598380), (60, 1358623), (68, 1198785), (70, 1164534), (84, 970445), (85, 959028), (98, 831810), (102, 799190), (105, 776356), (119, 685020), (140, 582267), (147, 554540), (170, 479514), (196, 415905), (204, 399595), (210, 388178), (233, 349860), (238, 342510), (245, 332724), (255, 319676), (294, 277270), (340, 239757), (343, 237660), (357, 228340), (420, 194089), (466, 174930), (476, 171255), (490, 166362), (510, 159838), (588, 138635), (595, 137004), (686, 118830), (699, 116620), (714, 114170), (735, 110908), (833, 97860), (932, 87465), (980, 83181), (1020, 79919), (1029, 79220), (1165, 69972), (1190, 68502), (1372, 59415), (1398, 58310), (1428, 57085), (1470, 55454), (1631, 49980), (1666, 48930), (1715, 47532), (1785, 45668), (2058, 39610), (2330, 34986), (2380, 34251), (2499, 32620), (2796, 29155), (2940, 27727), (3262, 24990), (3332, 24465), (3430, 23766), (3495, 23324), (3570, 22834), (3961, 20580), (4116, 19805), (4165, 19572), (4660, 17493), (4893, 16660), (4998, 16310), (5145, 15844), (5831, 13980), (6524, 12495), (6860, 11883), (6990, 11662), (7140, 11417), (7922, 10290), (8155, 9996), (8330, 9786)]