400280400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 240

約数和(自身を含む): 1534832320

約数和(自身を除く): 1134551920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 100, 104, 108, 117, 120, 130, 135, 144, 150, 156, 180, 195, 200, 208, 216, 225, 234, 240, 260, 270, 300, 312, 325, 351, 360, 390, 400, 432, 450, 468, 520, 540, 585, 600, 624, 650, 675, 702, 720, 780, 900, 936, 975, 1040, 1080, 1170, 1200, 1300, 1350, 1404, 1560, 1755, 1800, 1872, 1950, 2160, 2340, 2600, 2700, 2808, 2851, 2925, 3120, 3510, 3600, 3900, 4680, 5200, 5400, 5616, 5702, 5850, 7020, 7800, 8553, 8775, 9360, 10800, 11404, 11700, 14040, 14255, 15600, 17106, 17550, 22808, 23400, 25659, 28080, 28510, 34212, 35100, 37063, 42765, 45616, 46800, 51318, 57020, 68424, 70200, 71275, 74126, 76977, 85530, 102636, 111189, 114040, 128295, 136848, 140400, 142550, 148252, 153954, 171060, 185315, 205272, 213825, 222378, 228080, 256590, 285100, 296504, 307908, 333567, 342120, 370630, 384885, 410544, 427650, 444756, 513180, 555945, 570200, 593008, 615816, 641475, 667134, 684240, 741260, 769770, 855300, 889512, 926575, 1000701, 1026360, 1111890, 1140400, 1231632, 1282950, 1334268, 1482520, 1539540, 1667835, 1710600, 1779024, 1853150, 1924425, 2001402, 2052720, 2223780, 2565900, 2668536, 2779725, 2965040, 3079080, 3335670, 3421200, 3706300, 3848850, 4002804, 4447560, 5003505, 5131800, 5337072, 5559450, 6158160, 6671340, 7412600, 7697700, 8005608, 8339175, 8895120, 10007010, 10263600, 11118900, 13342680, 14825200, 15395400, 16011216, 16678350, 20014020, 22237800, 25017525, 26685360, 30790800, 33356700, 40028040, 44475600, 50035050, 66713400, 80056080, 100070100, 133426800, 200140200, 400280400]

約数ペア:

[(1, 400280400), (2, 200140200), (3, 133426800), (4, 100070100), (5, 80056080), (6, 66713400), (8, 50035050), (9, 44475600), (10, 40028040), (12, 33356700), (13, 30790800), (15, 26685360), (16, 25017525), (18, 22237800), (20, 20014020), (24, 16678350), (25, 16011216), (26, 15395400), (27, 14825200), (30, 13342680), (36, 11118900), (39, 10263600), (40, 10007010), (45, 8895120), (48, 8339175), (50, 8005608), (52, 7697700), (54, 7412600), (60, 6671340), (65, 6158160), (72, 5559450), (75, 5337072), (78, 5131800), (80, 5003505), (90, 4447560), (100, 4002804), (104, 3848850), (108, 3706300), (117, 3421200), (120, 3335670), (130, 3079080), (135, 2965040), (144, 2779725), (150, 2668536), (156, 2565900), (180, 2223780), (195, 2052720), (200, 2001402), (208, 1924425), (216, 1853150), (225, 1779024), (234, 1710600), (240, 1667835), (260, 1539540), (270, 1482520), (300, 1334268), (312, 1282950), (325, 1231632), (351, 1140400), (360, 1111890), (390, 1026360), (400, 1000701), (432, 926575), (450, 889512), (468, 855300), (520, 769770), (540, 741260), (585, 684240), (600, 667134), (624, 641475), (650, 615816), (675, 593008), (702, 570200), (720, 555945), (780, 513180), (900, 444756), (936, 427650), (975, 410544), (1040, 384885), (1080, 370630), (1170, 342120), (1200, 333567), (1300, 307908), (1350, 296504), (1404, 285100), (1560, 256590), (1755, 228080), (1800, 222378), (1872, 213825), (1950, 205272), (2160, 185315), (2340, 171060), (2600, 153954), (2700, 148252), (2808, 142550), (2851, 140400), (2925, 136848), (3120, 128295), (3510, 114040), (3600, 111189), (3900, 102636), (4680, 85530), (5200, 76977), (5400, 74126), (5616, 71275), (5702, 70200), (5850, 68424), (7020, 57020), (7800, 51318), (8553, 46800), (8775, 45616), (9360, 42765), (10800, 37063), (11404, 35100), (11700, 34212), (14040, 28510), (14255, 28080), (15600, 25659), (17106, 23400), (17550, 22808)]