310330720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1773

約数の個数: 144

約数和(自身を含む): 890453088

約数和(自身を除く): 580122368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1568, 1610, 1721, 1840, 1960, 2254, 2576, 3220, 3442, 3680, 3920, 4508, 5152, 5635, 6440, 6884, 7840, 8605, 9016, 11270, 12047, 12880, 13768, 17210, 18032, 22540, 24094, 25760, 27536, 34420, 36064, 39583, 45080, 48188, 55072, 60235, 68840, 79166, 84329, 90160, 96376, 120470, 137680, 158332, 168658, 180320, 192752, 197915, 240940, 275360, 277081, 316664, 337316, 385504, 395830, 421645, 481880, 554162, 633328, 674632, 791660, 843290, 963760, 1108324, 1266656, 1349264, 1385405, 1583320, 1686580, 1927520, 1939567, 2216648, 2698528, 2770810, 3166640, 3373160, 3879134, 4433296, 5541620, 6333280, 6746320, 7758268, 8866592, 9697835, 11083240, 13492640, 15516536, 19395670, 22166480, 31033072, 38791340, 44332960, 62066144, 77582680, 155165360, 310330720]

約数ペア:

[(1, 310330720), (2, 155165360), (4, 77582680), (5, 62066144), (7, 44332960), (8, 38791340), (10, 31033072), (14, 22166480), (16, 19395670), (20, 15516536), (23, 13492640), (28, 11083240), (32, 9697835), (35, 8866592), (40, 7758268), (46, 6746320), (49, 6333280), (56, 5541620), (70, 4433296), (80, 3879134), (92, 3373160), (98, 3166640), (112, 2770810), (115, 2698528), (140, 2216648), (160, 1939567), (161, 1927520), (184, 1686580), (196, 1583320), (224, 1385405), (230, 1349264), (245, 1266656), (280, 1108324), (322, 963760), (368, 843290), (392, 791660), (460, 674632), (490, 633328), (560, 554162), (644, 481880), (736, 421645), (784, 395830), (805, 385504), (920, 337316), (980, 316664), (1120, 277081), (1127, 275360), (1288, 240940), (1568, 197915), (1610, 192752), (1721, 180320), (1840, 168658), (1960, 158332), (2254, 137680), (2576, 120470), (3220, 96376), (3442, 90160), (3680, 84329), (3920, 79166), (4508, 68840), (5152, 60235), (5635, 55072), (6440, 48188), (6884, 45080), (7840, 39583), (8605, 36064), (9016, 34420), (11270, 27536), (12047, 25760), (12880, 24094), (13768, 22540), (17210, 18032)]