80212500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 272982528

約数和(自身を除く): 192770028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 31, 36, 45, 46, 50, 60, 62, 69, 75, 90, 92, 93, 100, 115, 124, 125, 138, 150, 155, 180, 186, 207, 225, 230, 250, 276, 279, 300, 310, 345, 372, 375, 414, 450, 460, 465, 500, 558, 575, 620, 625, 690, 713, 750, 775, 828, 900, 930, 1035, 1116, 1125, 1150, 1250, 1380, 1395, 1426, 1500, 1550, 1725, 1860, 1875, 2070, 2139, 2250, 2300, 2325, 2500, 2790, 2852, 2875, 3100, 3125, 3450, 3565, 3750, 3875, 4140, 4278, 4500, 4650, 5175, 5580, 5625, 5750, 6250, 6417, 6900, 6975, 7130, 7500, 7750, 8556, 8625, 9300, 9375, 10350, 10695, 11250, 11500, 11625, 12500, 12834, 13950, 14260, 14375, 15500, 17250, 17825, 18750, 19375, 20700, 21390, 22500, 23250, 25668, 25875, 27900, 28125, 28750, 32085, 34500, 34875, 35650, 37500, 38750, 42780, 43125, 46500, 51750, 53475, 56250, 57500, 58125, 64170, 69750, 71300, 71875, 77500, 86250, 89125, 96875, 103500, 106950, 112500, 116250, 128340, 129375, 139500, 143750, 160425, 172500, 174375, 178250, 193750, 213900, 215625, 232500, 258750, 267375, 287500, 290625, 320850, 348750, 356500, 387500, 431250, 445625, 517500, 534750, 581250, 641700, 646875, 697500, 802125, 862500, 871875, 891250, 1069500, 1162500, 1293750, 1336875, 1604250, 1743750, 1782500, 2228125, 2587500, 2673750, 3208500, 3487500, 4010625, 4456250, 5347500, 6684375, 8021250, 8912500, 13368750, 16042500, 20053125, 26737500, 40106250, 80212500]

約数ペア:

[(1, 80212500), (2, 40106250), (3, 26737500), (4, 20053125), (5, 16042500), (6, 13368750), (9, 8912500), (10, 8021250), (12, 6684375), (15, 5347500), (18, 4456250), (20, 4010625), (23, 3487500), (25, 3208500), (30, 2673750), (31, 2587500), (36, 2228125), (45, 1782500), (46, 1743750), (50, 1604250), (60, 1336875), (62, 1293750), (69, 1162500), (75, 1069500), (90, 891250), (92, 871875), (93, 862500), (100, 802125), (115, 697500), (124, 646875), (125, 641700), (138, 581250), (150, 534750), (155, 517500), (180, 445625), (186, 431250), (207, 387500), (225, 356500), (230, 348750), (250, 320850), (276, 290625), (279, 287500), (300, 267375), (310, 258750), (345, 232500), (372, 215625), (375, 213900), (414, 193750), (450, 178250), (460, 174375), (465, 172500), (500, 160425), (558, 143750), (575, 139500), (620, 129375), (625, 128340), (690, 116250), (713, 112500), (750, 106950), (775, 103500), (828, 96875), (900, 89125), (930, 86250), (1035, 77500), (1116, 71875), (1125, 71300), (1150, 69750), (1250, 64170), (1380, 58125), (1395, 57500), (1426, 56250), (1500, 53475), (1550, 51750), (1725, 46500), (1860, 43125), (1875, 42780), (2070, 38750), (2139, 37500), (2250, 35650), (2300, 34875), (2325, 34500), (2500, 32085), (2790, 28750), (2852, 28125), (2875, 27900), (3100, 25875), (3125, 25668), (3450, 23250), (3565, 22500), (3750, 21390), (3875, 20700), (4140, 19375), (4278, 18750), (4500, 17825), (4650, 17250), (5175, 15500), (5580, 14375), (5625, 14260), (5750, 13950), (6250, 12834), (6417, 12500), (6900, 11625), (6975, 11500), (7130, 11250), (7500, 10695), (7750, 10350), (8556, 9375), (8625, 9300)]