1800914220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4049}}^1$

素因数の和:4424

約数の個数: 144

約数和(自身を含む): 6262401600

約数和(自身を除く): 4461487380

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, 180, 210, 252, 315, 353, 420, 630, 706, 1059, 1260, 1412, 1765, 2118, 2471, 3177, 3530, 4049, 4236, 4942, 5295, 6354, 7060, 7413, 8098, 9884, 10590, 12147, 12355, 12708, 14826, 15885, 16196, 20245, 21180, 22239, 24294, 24710, 28343, 29652, 31770, 36441, 37065, 40490, 44478, 48588, 49420, 56686, 60735, 63540, 72882, 74130, 80980, 85029, 88956, 111195, 113372, 121470, 141715, 145764, 148260, 170058, 182205, 222390, 242940, 255087, 283430, 340116, 364410, 425145, 444780, 510174, 566860, 728820, 850290, 1020348, 1275435, 1429297, 1700580, 2550870, 2858594, 4287891, 5101740, 5717188, 7146485, 8575782, 10005079, 12863673, 14292970, 17151564, 20010158, 21439455, 25727346, 28585940, 30015237, 40020316, 42878910, 50025395, 51454692, 60030474, 64318365, 85757820, 90045711, 100050790, 120060948, 128636730, 150076185, 180091422, 200101580, 257273460, 300152370, 360182844, 450228555, 600304740, 900457110, 1800914220]

約数ペア:

[(1, 1800914220), (2, 900457110), (3, 600304740), (4, 450228555), (5, 360182844), (6, 300152370), (7, 257273460), (9, 200101580), (10, 180091422), (12, 150076185), (14, 128636730), (15, 120060948), (18, 100050790), (20, 90045711), (21, 85757820), (28, 64318365), (30, 60030474), (35, 51454692), (36, 50025395), (42, 42878910), (45, 40020316), (60, 30015237), (63, 28585940), (70, 25727346), (84, 21439455), (90, 20010158), (105, 17151564), (126, 14292970), (140, 12863673), (180, 10005079), (210, 8575782), (252, 7146485), (315, 5717188), (353, 5101740), (420, 4287891), (630, 2858594), (706, 2550870), (1059, 1700580), (1260, 1429297), (1412, 1275435), (1765, 1020348), (2118, 850290), (2471, 728820), (3177, 566860), (3530, 510174), (4049, 444780), (4236, 425145), (4942, 364410), (5295, 340116), (6354, 283430), (7060, 255087), (7413, 242940), (8098, 222390), (9884, 182205), (10590, 170058), (12147, 148260), (12355, 145764), (12708, 141715), (14826, 121470), (15885, 113372), (16196, 111195), (20245, 88956), (21180, 85029), (22239, 80980), (24294, 74130), (24710, 72882), (28343, 63540), (29652, 60735), (31770, 56686), (36441, 49420), (37065, 48588), (40490, 44478)]