420418260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 1313335296

約数和(自身を除く): 892917036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 127, 159, 180, 212, 254, 265, 318, 347, 381, 477, 508, 530, 635, 636, 694, 762, 795, 954, 1041, 1060, 1143, 1270, 1388, 1524, 1590, 1735, 1905, 1908, 2082, 2286, 2385, 2540, 3123, 3180, 3470, 3810, 4164, 4572, 4770, 5205, 5715, 6246, 6731, 6940, 7620, 9540, 10410, 11430, 12492, 13462, 15615, 18391, 20193, 20820, 22860, 26924, 31230, 33655, 36782, 40386, 44069, 55173, 60579, 62460, 67310, 73564, 80772, 88138, 91955, 100965, 110346, 121158, 132207, 134620, 165519, 176276, 183910, 201930, 220345, 220692, 242316, 264414, 275865, 302895, 331038, 367820, 396621, 403860, 440690, 528828, 551730, 605790, 661035, 662076, 793242, 827595, 881380, 1103460, 1211580, 1322070, 1586484, 1655190, 1983105, 2335657, 2644140, 3310380, 3966210, 4671314, 7006971, 7932420, 9342628, 11678285, 14013942, 21020913, 23356570, 28027884, 35034855, 42041826, 46713140, 70069710, 84083652, 105104565, 140139420, 210209130, 420418260]

約数ペア:

[(1, 420418260), (2, 210209130), (3, 140139420), (4, 105104565), (5, 84083652), (6, 70069710), (9, 46713140), (10, 42041826), (12, 35034855), (15, 28027884), (18, 23356570), (20, 21020913), (30, 14013942), (36, 11678285), (45, 9342628), (53, 7932420), (60, 7006971), (90, 4671314), (106, 3966210), (127, 3310380), (159, 2644140), (180, 2335657), (212, 1983105), (254, 1655190), (265, 1586484), (318, 1322070), (347, 1211580), (381, 1103460), (477, 881380), (508, 827595), (530, 793242), (635, 662076), (636, 661035), (694, 605790), (762, 551730), (795, 528828), (954, 440690), (1041, 403860), (1060, 396621), (1143, 367820), (1270, 331038), (1388, 302895), (1524, 275865), (1590, 264414), (1735, 242316), (1905, 220692), (1908, 220345), (2082, 201930), (2286, 183910), (2385, 176276), (2540, 165519), (3123, 134620), (3180, 132207), (3470, 121158), (3810, 110346), (4164, 100965), (4572, 91955), (4770, 88138), (5205, 80772), (5715, 73564), (6246, 67310), (6731, 62460), (6940, 60579), (7620, 55173), (9540, 44069), (10410, 40386), (11430, 36782), (12492, 33655), (13462, 31230), (15615, 26924), (18391, 22860), (20193, 20820)]