1728111420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{195931}}^1$

素因数の和:195960

約数の個数: 108

約数和(自身を含む): 6097795704

約数和(自身を除く): 4369684284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 195931, 391862, 587793, 783724, 979655, 1175586, 1371517, 1763379, 1959310, 2351172, 2743034, 2938965, 3526758, 3918620, 4114551, 5486068, 5877930, 6857585, 7053516, 8229102, 8816895, 9600619, 11755860, 12343653, 13715170, 16458204, 17633790, 19201238, 20572755, 24687306, 27430340, 28801857, 35267580, 38402476, 41145510, 48003095, 49374612, 57603714, 61718265, 82291020, 86405571, 96006190, 115207428, 123436530, 144009285, 172811142, 192012380, 246873060, 288018570, 345622284, 432027855, 576037140, 864055710, 1728111420]

約数ペア:

[(1, 1728111420), (2, 864055710), (3, 576037140), (4, 432027855), (5, 345622284), (6, 288018570), (7, 246873060), (9, 192012380), (10, 172811142), (12, 144009285), (14, 123436530), (15, 115207428), (18, 96006190), (20, 86405571), (21, 82291020), (28, 61718265), (30, 57603714), (35, 49374612), (36, 48003095), (42, 41145510), (45, 38402476), (49, 35267580), (60, 28801857), (63, 27430340), (70, 24687306), (84, 20572755), (90, 19201238), (98, 17633790), (105, 16458204), (126, 13715170), (140, 12343653), (147, 11755860), (180, 9600619), (196, 8816895), (210, 8229102), (245, 7053516), (252, 6857585), (294, 5877930), (315, 5486068), (420, 4114551), (441, 3918620), (490, 3526758), (588, 2938965), (630, 2743034), (735, 2351172), (882, 1959310), (980, 1763379), (1260, 1371517), (1470, 1175586), (1764, 979655), (2205, 783724), (2940, 587793), (4410, 391862), (8820, 195931)]