81350100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 216

約数和(自身を含む): 291465720

約数和(自身を除く): 210115620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 102, 117, 130, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 300, 306, 325, 340, 390, 409, 425, 442, 450, 468, 510, 585, 612, 650, 663, 765, 780, 818, 850, 884, 900, 975, 1020, 1105, 1170, 1227, 1275, 1300, 1326, 1530, 1636, 1700, 1950, 1989, 2045, 2210, 2340, 2454, 2550, 2652, 2925, 3060, 3315, 3681, 3825, 3900, 3978, 4090, 4420, 4908, 5100, 5317, 5525, 5850, 6135, 6630, 6953, 7362, 7650, 7956, 8180, 9945, 10225, 10634, 11050, 11700, 12270, 13260, 13906, 14724, 15300, 15951, 16575, 18405, 19890, 20450, 20859, 21268, 22100, 24540, 26585, 27812, 30675, 31902, 33150, 34765, 36810, 39780, 40900, 41718, 47853, 49725, 53170, 61350, 62577, 63804, 66300, 69530, 73620, 79755, 83436, 90389, 92025, 95706, 99450, 104295, 106340, 122700, 125154, 132925, 139060, 159510, 173825, 180778, 184050, 191412, 198900, 208590, 239265, 250308, 265850, 271167, 312885, 319020, 347650, 361556, 368100, 398775, 417180, 451945, 478530, 521475, 531700, 542334, 625770, 695300, 797550, 813501, 903890, 957060, 1042950, 1084668, 1196325, 1251540, 1355835, 1564425, 1595100, 1627002, 1807780, 2085900, 2259725, 2392650, 2711670, 3128850, 3254004, 4067505, 4519450, 4785300, 5423340, 6257700, 6779175, 8135010, 9038900, 13558350, 16270020, 20337525, 27116700, 40675050, 81350100]

約数ペア:

[(1, 81350100), (2, 40675050), (3, 27116700), (4, 20337525), (5, 16270020), (6, 13558350), (9, 9038900), (10, 8135010), (12, 6779175), (13, 6257700), (15, 5423340), (17, 4785300), (18, 4519450), (20, 4067505), (25, 3254004), (26, 3128850), (30, 2711670), (34, 2392650), (36, 2259725), (39, 2085900), (45, 1807780), (50, 1627002), (51, 1595100), (52, 1564425), (60, 1355835), (65, 1251540), (68, 1196325), (75, 1084668), (78, 1042950), (85, 957060), (90, 903890), (100, 813501), (102, 797550), (117, 695300), (130, 625770), (150, 542334), (153, 531700), (156, 521475), (170, 478530), (180, 451945), (195, 417180), (204, 398775), (221, 368100), (225, 361556), (234, 347650), (255, 319020), (260, 312885), (300, 271167), (306, 265850), (325, 250308), (340, 239265), (390, 208590), (409, 198900), (425, 191412), (442, 184050), (450, 180778), (468, 173825), (510, 159510), (585, 139060), (612, 132925), (650, 125154), (663, 122700), (765, 106340), (780, 104295), (818, 99450), (850, 95706), (884, 92025), (900, 90389), (975, 83436), (1020, 79755), (1105, 73620), (1170, 69530), (1227, 66300), (1275, 63804), (1300, 62577), (1326, 61350), (1530, 53170), (1636, 49725), (1700, 47853), (1950, 41718), (1989, 40900), (2045, 39780), (2210, 36810), (2340, 34765), (2454, 33150), (2550, 31902), (2652, 30675), (2925, 27812), (3060, 26585), (3315, 24540), (3681, 22100), (3825, 21268), (3900, 20859), (3978, 20450), (4090, 19890), (4420, 18405), (4908, 16575), (5100, 15951), (5317, 15300), (5525, 14724), (5850, 13906), (6135, 13260), (6630, 12270), (6953, 11700), (7362, 11050), (7650, 10634), (7956, 10225), (8180, 9945)]