398996640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1772

約数の個数: 288

約数和(自身を含む): 1624686336

約数和(自身を除く): 1225689696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1721, 1840, 1932, 2016, 2070, 2208, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3360, 3442, 3680, 3864, 4140, 4830, 5040, 5152, 5163, 5520, 5796, 6440, 6624, 6884, 7245, 7728, 8280, 8605, 9660, 10080, 10326, 11040, 11592, 12047, 12880, 13768, 14490, 15456, 15489, 16560, 17210, 19320, 20652, 23184, 24094, 25760, 25815, 27536, 28980, 30978, 33120, 34420, 36141, 38640, 39583, 41304, 46368, 48188, 51630, 55072, 57960, 60235, 61956, 68840, 72282, 77280, 77445, 79166, 82608, 96376, 103260, 108423, 115920, 118749, 120470, 123912, 137680, 144564, 154890, 158332, 165216, 180705, 192752, 197915, 206520, 216846, 231840, 237498, 240940, 247824, 275360, 277081, 289128, 309780, 316664, 356247, 361410, 385504, 395830, 413040, 433692, 474996, 481880, 495648, 542115, 554162, 578256, 593745, 619560, 633328, 712494, 722820, 791660, 826080, 831243, 867384, 949992, 963760, 1084230, 1108324, 1156512, 1187490, 1239120, 1266656, 1385405, 1424988, 1445640, 1583320, 1662486, 1734768, 1781235, 1899984, 1927520, 2168460, 2216648, 2374980, 2478240, 2493729, 2770810, 2849976, 2891280, 3166640, 3324972, 3469536, 3562470, 3799968, 4156215, 4336920, 4433296, 4749960, 4987458, 5541620, 5699952, 5782560, 6333280, 6649944, 7124940, 8312430, 8673840, 8866592, 9499920, 9974916, 11083240, 11399904, 12468645, 13299888, 14249880, 16624860, 17347680, 18999840, 19949832, 22166480, 24937290, 26599776, 28499760, 33249720, 39899664, 44332960, 49874580, 56999520, 66499440, 79799328, 99749160, 132998880, 199498320, 398996640]

約数ペア:

[(1, 398996640), (2, 199498320), (3, 132998880), (4, 99749160), (5, 79799328), (6, 66499440), (7, 56999520), (8, 49874580), (9, 44332960), (10, 39899664), (12, 33249720), (14, 28499760), (15, 26599776), (16, 24937290), (18, 22166480), (20, 19949832), (21, 18999840), (23, 17347680), (24, 16624860), (28, 14249880), (30, 13299888), (32, 12468645), (35, 11399904), (36, 11083240), (40, 9974916), (42, 9499920), (45, 8866592), (46, 8673840), (48, 8312430), (56, 7124940), (60, 6649944), (63, 6333280), (69, 5782560), (70, 5699952), (72, 5541620), (80, 4987458), (84, 4749960), (90, 4433296), (92, 4336920), (96, 4156215), (105, 3799968), (112, 3562470), (115, 3469536), (120, 3324972), (126, 3166640), (138, 2891280), (140, 2849976), (144, 2770810), (160, 2493729), (161, 2478240), (168, 2374980), (180, 2216648), (184, 2168460), (207, 1927520), (210, 1899984), (224, 1781235), (230, 1734768), (240, 1662486), (252, 1583320), (276, 1445640), (280, 1424988), (288, 1385405), (315, 1266656), (322, 1239120), (336, 1187490), (345, 1156512), (360, 1108324), (368, 1084230), (414, 963760), (420, 949992), (460, 867384), (480, 831243), (483, 826080), (504, 791660), (552, 722820), (560, 712494), (630, 633328), (644, 619560), (672, 593745), (690, 578256), (720, 554162), (736, 542115), (805, 495648), (828, 481880), (840, 474996), (920, 433692), (966, 413040), (1008, 395830), (1035, 385504), (1104, 361410), (1120, 356247), (1260, 316664), (1288, 309780), (1380, 289128), (1440, 277081), (1449, 275360), (1610, 247824), (1656, 240940), (1680, 237498), (1721, 231840), (1840, 216846), (1932, 206520), (2016, 197915), (2070, 192752), (2208, 180705), (2415, 165216), (2520, 158332), (2576, 154890), (2760, 144564), (2898, 137680), (3220, 123912), (3312, 120470), (3360, 118749), (3442, 115920), (3680, 108423), (3864, 103260), (4140, 96376), (4830, 82608), (5040, 79166), (5152, 77445), (5163, 77280), (5520, 72282), (5796, 68840), (6440, 61956), (6624, 60235), (6884, 57960), (7245, 55072), (7728, 51630), (8280, 48188), (8605, 46368), (9660, 41304), (10080, 39583), (10326, 38640), (11040, 36141), (11592, 34420), (12047, 33120), (12880, 30978), (13768, 28980), (14490, 27536), (15456, 25815), (15489, 25760), (16560, 24094), (17210, 23184), (19320, 20652)]