721579440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:595

約数の個数: 160

約数和(自身を含む): 2298067200

約数和(自身を除く): 1576487760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 131, 177, 236, 240, 262, 295, 354, 389, 393, 472, 524, 590, 655, 708, 778, 786, 885, 944, 1048, 1167, 1180, 1310, 1416, 1556, 1572, 1770, 1945, 1965, 2096, 2334, 2360, 2620, 2832, 3112, 3144, 3540, 3890, 3930, 4668, 4720, 5240, 5835, 6224, 6288, 7080, 7729, 7780, 7860, 9336, 10480, 11670, 14160, 15458, 15560, 15720, 18672, 22951, 23187, 23340, 30916, 31120, 31440, 38645, 45902, 46374, 46680, 50959, 61832, 68853, 77290, 91804, 92748, 93360, 101918, 114755, 115935, 123664, 137706, 152877, 154580, 183608, 185496, 203836, 229510, 231870, 254795, 275412, 305754, 309160, 344265, 367216, 370992, 407672, 459020, 463740, 509590, 550824, 611508, 618320, 688530, 764385, 815344, 918040, 927480, 1019180, 1101648, 1223016, 1377060, 1528770, 1836080, 1854960, 2038360, 2446032, 2754120, 3006581, 3057540, 4076720, 5508240, 6013162, 6115080, 9019743, 12026324, 12230160, 15032905, 18039486, 24052648, 30065810, 36078972, 45098715, 48105296, 60131620, 72157944, 90197430, 120263240, 144315888, 180394860, 240526480, 360789720, 721579440]

約数ペア:

[(1, 721579440), (2, 360789720), (3, 240526480), (4, 180394860), (5, 144315888), (6, 120263240), (8, 90197430), (10, 72157944), (12, 60131620), (15, 48105296), (16, 45098715), (20, 36078972), (24, 30065810), (30, 24052648), (40, 18039486), (48, 15032905), (59, 12230160), (60, 12026324), (80, 9019743), (118, 6115080), (120, 6013162), (131, 5508240), (177, 4076720), (236, 3057540), (240, 3006581), (262, 2754120), (295, 2446032), (354, 2038360), (389, 1854960), (393, 1836080), (472, 1528770), (524, 1377060), (590, 1223016), (655, 1101648), (708, 1019180), (778, 927480), (786, 918040), (885, 815344), (944, 764385), (1048, 688530), (1167, 618320), (1180, 611508), (1310, 550824), (1416, 509590), (1556, 463740), (1572, 459020), (1770, 407672), (1945, 370992), (1965, 367216), (2096, 344265), (2334, 309160), (2360, 305754), (2620, 275412), (2832, 254795), (3112, 231870), (3144, 229510), (3540, 203836), (3890, 185496), (3930, 183608), (4668, 154580), (4720, 152877), (5240, 137706), (5835, 123664), (6224, 115935), (6288, 114755), (7080, 101918), (7729, 93360), (7780, 92748), (7860, 91804), (9336, 77290), (10480, 68853), (11670, 61832), (14160, 50959), (15458, 46680), (15560, 46374), (15720, 45902), (18672, 38645), (22951, 31440), (23187, 31120), (23340, 30916)]