31239540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 106686720

約数和(自身を除く): 75447180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 41, 45, 51, 54, 60, 68, 82, 83, 85, 90, 102, 108, 123, 135, 153, 164, 166, 170, 180, 204, 205, 246, 249, 255, 270, 306, 332, 340, 369, 410, 415, 459, 492, 498, 510, 540, 612, 615, 697, 738, 747, 765, 820, 830, 918, 996, 1020, 1107, 1230, 1245, 1394, 1411, 1476, 1494, 1530, 1660, 1836, 1845, 2091, 2214, 2241, 2295, 2460, 2490, 2788, 2822, 2988, 3060, 3403, 3485, 3690, 3735, 4182, 4233, 4428, 4482, 4590, 4980, 5535, 5644, 6273, 6806, 6970, 7055, 7380, 7470, 8364, 8466, 8964, 9180, 10209, 10455, 11070, 11205, 12546, 12699, 13612, 13940, 14110, 14940, 16932, 17015, 18819, 20418, 20910, 21165, 22140, 22410, 25092, 25398, 28220, 30627, 31365, 34030, 37638, 38097, 40836, 41820, 42330, 44820, 50796, 51045, 57851, 61254, 62730, 63495, 68060, 75276, 76194, 84660, 91881, 94095, 102090, 115702, 122508, 125460, 126990, 152388, 153135, 173553, 183762, 188190, 190485, 204180, 231404, 253980, 289255, 306270, 347106, 367524, 376380, 380970, 459405, 520659, 578510, 612540, 694212, 761940, 867765, 918810, 1041318, 1157020, 1561977, 1735530, 1837620, 2082636, 2603295, 3123954, 3471060, 5206590, 6247908, 7809885, 10413180, 15619770, 31239540]

約数ペア:

[(1, 31239540), (2, 15619770), (3, 10413180), (4, 7809885), (5, 6247908), (6, 5206590), (9, 3471060), (10, 3123954), (12, 2603295), (15, 2082636), (17, 1837620), (18, 1735530), (20, 1561977), (27, 1157020), (30, 1041318), (34, 918810), (36, 867765), (41, 761940), (45, 694212), (51, 612540), (54, 578510), (60, 520659), (68, 459405), (82, 380970), (83, 376380), (85, 367524), (90, 347106), (102, 306270), (108, 289255), (123, 253980), (135, 231404), (153, 204180), (164, 190485), (166, 188190), (170, 183762), (180, 173553), (204, 153135), (205, 152388), (246, 126990), (249, 125460), (255, 122508), (270, 115702), (306, 102090), (332, 94095), (340, 91881), (369, 84660), (410, 76194), (415, 75276), (459, 68060), (492, 63495), (498, 62730), (510, 61254), (540, 57851), (612, 51045), (615, 50796), (697, 44820), (738, 42330), (747, 41820), (765, 40836), (820, 38097), (830, 37638), (918, 34030), (996, 31365), (1020, 30627), (1107, 28220), (1230, 25398), (1245, 25092), (1394, 22410), (1411, 22140), (1476, 21165), (1494, 20910), (1530, 20418), (1660, 18819), (1836, 17015), (1845, 16932), (2091, 14940), (2214, 14110), (2241, 13940), (2295, 13612), (2460, 12699), (2490, 12546), (2788, 11205), (2822, 11070), (2988, 10455), (3060, 10209), (3403, 9180), (3485, 8964), (3690, 8466), (3735, 8364), (4182, 7470), (4233, 7380), (4428, 7055), (4482, 6970), (4590, 6806), (4980, 6273), (5535, 5644)]