280117500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:83

約数の個数: 240

約数和(自身を含む): 936825120

約数和(自身を除く): 656707620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 125, 130, 150, 156, 169, 170, 195, 204, 221, 250, 255, 260, 300, 325, 338, 340, 375, 390, 425, 442, 500, 507, 510, 625, 650, 663, 676, 750, 780, 845, 850, 884, 975, 1014, 1020, 1105, 1250, 1275, 1300, 1326, 1500, 1625, 1690, 1700, 1875, 1950, 2028, 2125, 2197, 2210, 2500, 2535, 2550, 2652, 2873, 3250, 3315, 3380, 3750, 3900, 4225, 4250, 4394, 4420, 4875, 5070, 5100, 5525, 5746, 6375, 6500, 6591, 6630, 7500, 8125, 8450, 8500, 8619, 8788, 9750, 10140, 10625, 10985, 11050, 11492, 12675, 12750, 13182, 13260, 14365, 16250, 16575, 16900, 17238, 19500, 21125, 21250, 21970, 22100, 24375, 25350, 25500, 26364, 27625, 28730, 31875, 32500, 32955, 33150, 34476, 37349, 42250, 42500, 43095, 43940, 48750, 50700, 54925, 55250, 57460, 63375, 63750, 65910, 66300, 71825, 74698, 82875, 84500, 86190, 97500, 105625, 109850, 110500, 112047, 126750, 127500, 131820, 138125, 143650, 149396, 164775, 165750, 172380, 186745, 211250, 215475, 219700, 224094, 253500, 274625, 276250, 287300, 316875, 329550, 331500, 359125, 373490, 414375, 422500, 430950, 448188, 549250, 552500, 560235, 633750, 659100, 718250, 746980, 823875, 828750, 861900, 933725, 1077375, 1098500, 1120470, 1267500, 1373125, 1436500, 1647750, 1657500, 1795625, 1867450, 2154750, 2240940, 2746250, 2801175, 3295500, 3591250, 3734900, 4119375, 4309500, 4668625, 5386875, 5492500, 5602350, 7182500, 8238750, 9337250, 10773750, 11204700, 14005875, 16477500, 18674500, 21547500, 23343125, 28011750, 46686250, 56023500, 70029375, 93372500, 140058750, 280117500]

約数ペア:

[(1, 280117500), (2, 140058750), (3, 93372500), (4, 70029375), (5, 56023500), (6, 46686250), (10, 28011750), (12, 23343125), (13, 21547500), (15, 18674500), (17, 16477500), (20, 14005875), (25, 11204700), (26, 10773750), (30, 9337250), (34, 8238750), (39, 7182500), (50, 5602350), (51, 5492500), (52, 5386875), (60, 4668625), (65, 4309500), (68, 4119375), (75, 3734900), (78, 3591250), (85, 3295500), (100, 2801175), (102, 2746250), (125, 2240940), (130, 2154750), (150, 1867450), (156, 1795625), (169, 1657500), (170, 1647750), (195, 1436500), (204, 1373125), (221, 1267500), (250, 1120470), (255, 1098500), (260, 1077375), (300, 933725), (325, 861900), (338, 828750), (340, 823875), (375, 746980), (390, 718250), (425, 659100), (442, 633750), (500, 560235), (507, 552500), (510, 549250), (625, 448188), (650, 430950), (663, 422500), (676, 414375), (750, 373490), (780, 359125), (845, 331500), (850, 329550), (884, 316875), (975, 287300), (1014, 276250), (1020, 274625), (1105, 253500), (1250, 224094), (1275, 219700), (1300, 215475), (1326, 211250), (1500, 186745), (1625, 172380), (1690, 165750), (1700, 164775), (1875, 149396), (1950, 143650), (2028, 138125), (2125, 131820), (2197, 127500), (2210, 126750), (2500, 112047), (2535, 110500), (2550, 109850), (2652, 105625), (2873, 97500), (3250, 86190), (3315, 84500), (3380, 82875), (3750, 74698), (3900, 71825), (4225, 66300), (4250, 65910), (4394, 63750), (4420, 63375), (4875, 57460), (5070, 55250), (5100, 54925), (5525, 50700), (5746, 48750), (6375, 43940), (6500, 43095), (6591, 42500), (6630, 42250), (7500, 37349), (8125, 34476), (8450, 33150), (8500, 32955), (8619, 32500), (8788, 31875), (9750, 28730), (10140, 27625), (10625, 26364), (10985, 25500), (11050, 25350), (11492, 24375), (12675, 22100), (12750, 21970), (13182, 21250), (13260, 21125), (14365, 19500), (16250, 17238), (16575, 16900)]