55126920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 178381440

約数和(自身を除く): 123254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 244, 255, 305, 340, 366, 408, 443, 488, 510, 610, 680, 732, 886, 915, 1020, 1037, 1220, 1329, 1464, 1772, 1830, 2040, 2074, 2215, 2440, 2658, 3111, 3544, 3660, 4148, 4430, 5185, 5316, 6222, 6645, 7320, 7531, 8296, 8860, 10370, 10632, 12444, 13290, 15062, 15555, 17720, 20740, 22593, 24888, 26580, 27023, 30124, 31110, 37655, 41480, 45186, 53160, 54046, 60248, 62220, 75310, 81069, 90372, 108092, 112965, 124440, 135115, 150620, 162138, 180744, 216184, 225930, 270230, 301240, 324276, 405345, 451860, 459391, 540460, 648552, 810690, 903720, 918782, 1080920, 1378173, 1621380, 1837564, 2296955, 2756346, 3242760, 3675128, 4593910, 5512692, 6890865, 9187820, 11025384, 13781730, 18375640, 27563460, 55126920]

約数ペア:

[(1, 55126920), (2, 27563460), (3, 18375640), (4, 13781730), (5, 11025384), (6, 9187820), (8, 6890865), (10, 5512692), (12, 4593910), (15, 3675128), (17, 3242760), (20, 2756346), (24, 2296955), (30, 1837564), (34, 1621380), (40, 1378173), (51, 1080920), (60, 918782), (61, 903720), (68, 810690), (85, 648552), (102, 540460), (120, 459391), (122, 451860), (136, 405345), (170, 324276), (183, 301240), (204, 270230), (244, 225930), (255, 216184), (305, 180744), (340, 162138), (366, 150620), (408, 135115), (443, 124440), (488, 112965), (510, 108092), (610, 90372), (680, 81069), (732, 75310), (886, 62220), (915, 60248), (1020, 54046), (1037, 53160), (1220, 45186), (1329, 41480), (1464, 37655), (1772, 31110), (1830, 30124), (2040, 27023), (2074, 26580), (2215, 24888), (2440, 22593), (2658, 20740), (3111, 17720), (3544, 15555), (3660, 15062), (4148, 13290), (4430, 12444), (5185, 10632), (5316, 10370), (6222, 8860), (6645, 8296), (7320, 7531)]