1247185875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 2405894400

約数和(自身を除く): 1158708525

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 101, 125, 149, 195, 221, 255, 303, 325, 375, 425, 447, 505, 663, 745, 975, 1105, 1275, 1313, 1515, 1625, 1717, 1937, 2125, 2235, 2525, 2533, 3315, 3725, 3939, 4875, 5151, 5525, 5811, 6375, 6565, 7575, 7599, 8585, 9685, 11175, 12625, 12665, 15049, 16575, 18625, 19695, 22321, 25755, 27625, 29055, 32825, 32929, 37875, 37995, 42925, 45147, 48425, 55875, 63325, 66963, 75245, 82875, 98475, 98787, 111605, 128775, 145275, 164125, 164645, 189975, 195637, 214625, 225735, 242125, 255833, 316625, 334815, 376225, 492375, 493935, 558025, 586911, 643875, 726375, 767499, 823225, 949875, 978185, 1128675, 1279165, 1674075, 1881125, 2469675, 2790125, 2934555, 3325829, 3837495, 4116125, 4890925, 5643375, 6395825, 8370375, 9977487, 12348375, 14672775, 16629145, 19187475, 24454625, 31979125, 49887435, 73363875, 83145725, 95937375, 249437175, 415728625, 1247185875]

約数ペア:

[(1, 1247185875), (3, 415728625), (5, 249437175), (13, 95937375), (15, 83145725), (17, 73363875), (25, 49887435), (39, 31979125), (51, 24454625), (65, 19187475), (75, 16629145), (85, 14672775), (101, 12348375), (125, 9977487), (149, 8370375), (195, 6395825), (221, 5643375), (255, 4890925), (303, 4116125), (325, 3837495), (375, 3325829), (425, 2934555), (447, 2790125), (505, 2469675), (663, 1881125), (745, 1674075), (975, 1279165), (1105, 1128675), (1275, 978185), (1313, 949875), (1515, 823225), (1625, 767499), (1717, 726375), (1937, 643875), (2125, 586911), (2235, 558025), (2525, 493935), (2533, 492375), (3315, 376225), (3725, 334815), (3939, 316625), (4875, 255833), (5151, 242125), (5525, 225735), (5811, 214625), (6375, 195637), (6565, 189975), (7575, 164645), (7599, 164125), (8585, 145275), (9685, 128775), (11175, 111605), (12625, 98787), (12665, 98475), (15049, 82875), (16575, 75245), (18625, 66963), (19695, 63325), (22321, 55875), (25755, 48425), (27625, 45147), (29055, 42925), (32825, 37995), (32929, 37875)]