720483400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1344

約数の個数: 192

約数和(自身を含む): 2129863680

約数和(自身を除く): 1409380280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 91, 100, 104, 124, 130, 140, 155, 175, 182, 200, 217, 248, 260, 280, 310, 325, 350, 364, 403, 434, 455, 520, 620, 650, 700, 728, 775, 806, 868, 910, 1085, 1240, 1277, 1300, 1400, 1550, 1612, 1736, 1820, 2015, 2170, 2275, 2554, 2600, 2821, 3100, 3224, 3640, 4030, 4340, 4550, 5108, 5425, 5642, 6200, 6385, 8060, 8680, 8939, 9100, 10075, 10216, 10850, 11284, 12770, 14105, 16120, 16601, 17878, 18200, 20150, 21700, 22568, 25540, 28210, 31925, 33202, 35756, 39587, 40300, 43400, 44695, 51080, 56420, 63850, 66404, 70525, 71512, 79174, 80600, 83005, 89390, 112840, 116207, 127700, 132808, 141050, 158348, 166010, 178780, 197935, 223475, 232414, 255400, 277109, 282100, 316696, 332020, 357560, 395870, 415025, 446950, 464828, 514631, 554218, 564200, 581035, 664040, 791740, 830050, 893900, 929656, 989675, 1029262, 1108436, 1162070, 1385545, 1583480, 1660100, 1787800, 1979350, 2058524, 2216872, 2324140, 2573155, 2771090, 2905175, 3320200, 3602417, 3958700, 4117048, 4648280, 5146310, 5542180, 5810350, 6927725, 7204834, 7917400, 10292620, 11084360, 11620700, 12865775, 13855450, 14409668, 18012085, 20585240, 23241400, 25731550, 27710900, 28819336, 36024170, 51463100, 55421800, 72048340, 90060425, 102926200, 144096680, 180120850, 360241700, 720483400]

約数ペア:

[(1, 720483400), (2, 360241700), (4, 180120850), (5, 144096680), (7, 102926200), (8, 90060425), (10, 72048340), (13, 55421800), (14, 51463100), (20, 36024170), (25, 28819336), (26, 27710900), (28, 25731550), (31, 23241400), (35, 20585240), (40, 18012085), (50, 14409668), (52, 13855450), (56, 12865775), (62, 11620700), (65, 11084360), (70, 10292620), (91, 7917400), (100, 7204834), (104, 6927725), (124, 5810350), (130, 5542180), (140, 5146310), (155, 4648280), (175, 4117048), (182, 3958700), (200, 3602417), (217, 3320200), (248, 2905175), (260, 2771090), (280, 2573155), (310, 2324140), (325, 2216872), (350, 2058524), (364, 1979350), (403, 1787800), (434, 1660100), (455, 1583480), (520, 1385545), (620, 1162070), (650, 1108436), (700, 1029262), (728, 989675), (775, 929656), (806, 893900), (868, 830050), (910, 791740), (1085, 664040), (1240, 581035), (1277, 564200), (1300, 554218), (1400, 514631), (1550, 464828), (1612, 446950), (1736, 415025), (1820, 395870), (2015, 357560), (2170, 332020), (2275, 316696), (2554, 282100), (2600, 277109), (2821, 255400), (3100, 232414), (3224, 223475), (3640, 197935), (4030, 178780), (4340, 166010), (4550, 158348), (5108, 141050), (5425, 132808), (5642, 127700), (6200, 116207), (6385, 112840), (8060, 89390), (8680, 83005), (8939, 80600), (9100, 79174), (10075, 71512), (10216, 70525), (10850, 66404), (11284, 63850), (12770, 56420), (14105, 51080), (16120, 44695), (16601, 43400), (17878, 40300), (18200, 39587), (20150, 35756), (21700, 33202), (22568, 31925), (25540, 28210)]