1900567620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8719}}^1$

素因数の和:8914

約数の個数: 144

約数和(自身を含む): 6627479040

約数和(自身を除く): 4726911420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 420, 519, 630, 692, 865, 1038, 1211, 1260, 1557, 1730, 2076, 2422, 2595, 3114, 3460, 3633, 4844, 5190, 6055, 6228, 7266, 7785, 8719, 10380, 10899, 12110, 14532, 15570, 17438, 18165, 21798, 24220, 26157, 31140, 34876, 36330, 43595, 43596, 52314, 54495, 61033, 72660, 78471, 87190, 104628, 108990, 122066, 130785, 156942, 174380, 183099, 217980, 244132, 261570, 305165, 313884, 366198, 392355, 523140, 549297, 610330, 732396, 784710, 915495, 1098594, 1220660, 1508387, 1569420, 1830990, 2197188, 2746485, 3016774, 3661980, 4525161, 5492970, 6033548, 7541935, 9050322, 10558709, 10985940, 13575483, 15083870, 18100644, 21117418, 22625805, 27150966, 30167740, 31676127, 42234836, 45251610, 52793545, 54301932, 63352254, 67877415, 90503220, 95028381, 105587090, 126704508, 135754830, 158380635, 190056762, 211174180, 271509660, 316761270, 380113524, 475141905, 633522540, 950283810, 1900567620]

約数ペア:

[(1, 1900567620), (2, 950283810), (3, 633522540), (4, 475141905), (5, 380113524), (6, 316761270), (7, 271509660), (9, 211174180), (10, 190056762), (12, 158380635), (14, 135754830), (15, 126704508), (18, 105587090), (20, 95028381), (21, 90503220), (28, 67877415), (30, 63352254), (35, 54301932), (36, 52793545), (42, 45251610), (45, 42234836), (60, 31676127), (63, 30167740), (70, 27150966), (84, 22625805), (90, 21117418), (105, 18100644), (126, 15083870), (140, 13575483), (173, 10985940), (180, 10558709), (210, 9050322), (252, 7541935), (315, 6033548), (346, 5492970), (420, 4525161), (519, 3661980), (630, 3016774), (692, 2746485), (865, 2197188), (1038, 1830990), (1211, 1569420), (1260, 1508387), (1557, 1220660), (1730, 1098594), (2076, 915495), (2422, 784710), (2595, 732396), (3114, 610330), (3460, 549297), (3633, 523140), (4844, 392355), (5190, 366198), (6055, 313884), (6228, 305165), (7266, 261570), (7785, 244132), (8719, 217980), (10380, 183099), (10899, 174380), (12110, 156942), (14532, 130785), (15570, 122066), (17438, 108990), (18165, 104628), (21798, 87190), (24220, 78471), (26157, 72660), (31140, 61033), (34876, 54495), (36330, 52314), (43595, 43596)]