128987550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 364595712

約数和(自身を除く): 235608162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 61, 74, 75, 90, 111, 122, 127, 150, 183, 185, 222, 225, 254, 305, 333, 366, 370, 381, 450, 549, 555, 610, 635, 666, 762, 915, 925, 1098, 1110, 1143, 1270, 1525, 1665, 1830, 1850, 1905, 2257, 2286, 2745, 2775, 3050, 3175, 3330, 3810, 4514, 4575, 4699, 5490, 5550, 5715, 6350, 6771, 7747, 8325, 9150, 9398, 9525, 11285, 11430, 13542, 13725, 14097, 15494, 16650, 19050, 20313, 22570, 23241, 23495, 27450, 28194, 28575, 33855, 38735, 40626, 42291, 46482, 46990, 56425, 57150, 67710, 69723, 70485, 77470, 84582, 101565, 112850, 116205, 117475, 139446, 140970, 169275, 193675, 203130, 211455, 232410, 234950, 286639, 338550, 348615, 352425, 387350, 422910, 507825, 573278, 581025, 697230, 704850, 859917, 1015650, 1057275, 1162050, 1433195, 1719834, 1743075, 2114550, 2579751, 2866390, 3486150, 4299585, 5159502, 7165975, 8599170, 12898755, 14331950, 21497925, 25797510, 42995850, 64493775, 128987550]

約数ペア:

[(1, 128987550), (2, 64493775), (3, 42995850), (5, 25797510), (6, 21497925), (9, 14331950), (10, 12898755), (15, 8599170), (18, 7165975), (25, 5159502), (30, 4299585), (37, 3486150), (45, 2866390), (50, 2579751), (61, 2114550), (74, 1743075), (75, 1719834), (90, 1433195), (111, 1162050), (122, 1057275), (127, 1015650), (150, 859917), (183, 704850), (185, 697230), (222, 581025), (225, 573278), (254, 507825), (305, 422910), (333, 387350), (366, 352425), (370, 348615), (381, 338550), (450, 286639), (549, 234950), (555, 232410), (610, 211455), (635, 203130), (666, 193675), (762, 169275), (915, 140970), (925, 139446), (1098, 117475), (1110, 116205), (1143, 112850), (1270, 101565), (1525, 84582), (1665, 77470), (1830, 70485), (1850, 69723), (1905, 67710), (2257, 57150), (2286, 56425), (2745, 46990), (2775, 46482), (3050, 42291), (3175, 40626), (3330, 38735), (3810, 33855), (4514, 28575), (4575, 28194), (4699, 27450), (5490, 23495), (5550, 23241), (5715, 22570), (6350, 20313), (6771, 19050), (7747, 16650), (8325, 15494), (9150, 14097), (9398, 13725), (9525, 13542), (11285, 11430)]