80177100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 249984000

約数和(自身を除く): 169806900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 79, 85, 100, 102, 150, 158, 170, 199, 204, 237, 255, 300, 316, 340, 395, 398, 425, 474, 510, 597, 790, 796, 850, 948, 995, 1020, 1185, 1194, 1275, 1343, 1580, 1700, 1975, 1990, 2370, 2388, 2550, 2686, 2985, 3383, 3950, 3980, 4029, 4740, 4975, 5100, 5372, 5925, 5970, 6715, 6766, 7900, 8058, 9950, 10149, 11850, 11940, 13430, 13532, 14925, 15721, 16116, 16915, 19900, 20145, 20298, 23700, 26860, 29850, 31442, 33575, 33830, 40290, 40596, 47163, 50745, 59700, 62884, 67150, 67660, 78605, 80580, 84575, 94326, 100725, 101490, 134300, 157210, 169150, 188652, 201450, 202980, 235815, 253725, 267257, 314420, 338300, 393025, 402900, 471630, 507450, 534514, 786050, 801771, 943260, 1014900, 1069028, 1179075, 1336285, 1572100, 1603542, 2358150, 2672570, 3207084, 4008855, 4716300, 5345140, 6681425, 8017710, 13362850, 16035420, 20044275, 26725700, 40088550, 80177100]

約数ペア:

[(1, 80177100), (2, 40088550), (3, 26725700), (4, 20044275), (5, 16035420), (6, 13362850), (10, 8017710), (12, 6681425), (15, 5345140), (17, 4716300), (20, 4008855), (25, 3207084), (30, 2672570), (34, 2358150), (50, 1603542), (51, 1572100), (60, 1336285), (68, 1179075), (75, 1069028), (79, 1014900), (85, 943260), (100, 801771), (102, 786050), (150, 534514), (158, 507450), (170, 471630), (199, 402900), (204, 393025), (237, 338300), (255, 314420), (300, 267257), (316, 253725), (340, 235815), (395, 202980), (398, 201450), (425, 188652), (474, 169150), (510, 157210), (597, 134300), (790, 101490), (796, 100725), (850, 94326), (948, 84575), (995, 80580), (1020, 78605), (1185, 67660), (1194, 67150), (1275, 62884), (1343, 59700), (1580, 50745), (1700, 47163), (1975, 40596), (1990, 40290), (2370, 33830), (2388, 33575), (2550, 31442), (2686, 29850), (2985, 26860), (3383, 23700), (3950, 20298), (3980, 20145), (4029, 19900), (4740, 16915), (4975, 16116), (5100, 15721), (5372, 14925), (5925, 13532), (5970, 13430), (6715, 11940), (6766, 11850), (7900, 10149), (8058, 9950)]