278477550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 144

約数和(自身を含む): 813260448

約数和(自身を除く): 534782898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 181, 195, 225, 234, 263, 325, 362, 390, 450, 526, 543, 585, 650, 789, 905, 975, 1086, 1170, 1315, 1578, 1629, 1810, 1950, 2353, 2367, 2630, 2715, 2925, 3258, 3419, 3945, 4525, 4706, 4734, 5430, 5850, 6575, 6838, 7059, 7890, 8145, 9050, 10257, 11765, 11835, 13150, 13575, 14118, 16290, 17095, 19725, 20514, 21177, 23530, 23670, 27150, 30771, 34190, 35295, 39450, 40725, 42354, 47603, 51285, 58825, 59175, 61542, 70590, 81450, 85475, 95206, 102570, 105885, 117650, 118350, 142809, 153855, 170950, 176475, 211770, 238015, 256425, 285618, 307710, 352950, 428427, 476030, 512850, 529425, 618839, 714045, 769275, 856854, 1058850, 1190075, 1237678, 1428090, 1538550, 1856517, 2142135, 2380150, 3094195, 3570225, 3713034, 4284270, 5569551, 6188390, 7140450, 9282585, 10710675, 11139102, 15470975, 18565170, 21421350, 27847755, 30941950, 46412925, 55695510, 92825850, 139238775, 278477550]

約数ペア:

[(1, 278477550), (2, 139238775), (3, 92825850), (5, 55695510), (6, 46412925), (9, 30941950), (10, 27847755), (13, 21421350), (15, 18565170), (18, 15470975), (25, 11139102), (26, 10710675), (30, 9282585), (39, 7140450), (45, 6188390), (50, 5569551), (65, 4284270), (75, 3713034), (78, 3570225), (90, 3094195), (117, 2380150), (130, 2142135), (150, 1856517), (181, 1538550), (195, 1428090), (225, 1237678), (234, 1190075), (263, 1058850), (325, 856854), (362, 769275), (390, 714045), (450, 618839), (526, 529425), (543, 512850), (585, 476030), (650, 428427), (789, 352950), (905, 307710), (975, 285618), (1086, 256425), (1170, 238015), (1315, 211770), (1578, 176475), (1629, 170950), (1810, 153855), (1950, 142809), (2353, 118350), (2367, 117650), (2630, 105885), (2715, 102570), (2925, 95206), (3258, 85475), (3419, 81450), (3945, 70590), (4525, 61542), (4706, 59175), (4734, 58825), (5430, 51285), (5850, 47603), (6575, 42354), (6838, 40725), (7059, 39450), (7890, 35295), (8145, 34190), (9050, 30771), (10257, 27150), (11765, 23670), (11835, 23530), (13150, 21177), (13575, 20514), (14118, 19725), (16290, 17095)]