19996200

素因数分解:

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

素因数の和:78

約数の個数: 288

約数和(自身を含む): 82286400

約数和(自身を除く): 62290200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 46, 50, 54, 56, 60, 63, 69, 70, 72, 75, 84, 90, 92, 100, 105, 108, 115, 120, 126, 135, 138, 140, 150, 161, 168, 175, 180, 184, 189, 200, 207, 210, 216, 225, 230, 252, 270, 276, 280, 300, 315, 322, 345, 350, 360, 378, 414, 420, 450, 460, 483, 504, 525, 529, 540, 552, 575, 600, 621, 630, 644, 675, 690, 700, 756, 805, 828, 840, 900, 920, 945, 966, 1035, 1050, 1058, 1080, 1150, 1242, 1260, 1288, 1350, 1380, 1400, 1449, 1512, 1575, 1587, 1610, 1656, 1725, 1800, 1890, 1932, 2070, 2100, 2116, 2300, 2415, 2484, 2520, 2645, 2700, 2760, 2898, 3105, 3150, 3174, 3220, 3450, 3703, 3780, 3864, 4025, 4140, 4200, 4232, 4347, 4600, 4725, 4761, 4830, 4968, 5175, 5290, 5400, 5796, 6210, 6300, 6348, 6440, 6900, 7245, 7406, 7560, 7935, 8050, 8280, 8694, 9450, 9522, 9660, 10350, 10580, 11109, 11592, 12075, 12420, 12600, 12696, 13225, 13800, 14283, 14490, 14812, 15525, 15870, 16100, 17388, 18515, 18900, 19044, 19320, 20700, 21160, 21735, 22218, 23805, 24150, 24840, 26450, 28566, 28980, 29624, 31050, 31740, 32200, 33327, 34776, 36225, 37030, 37800, 38088, 39675, 41400, 43470, 44436, 47610, 48300, 52900, 55545, 57132, 57960, 62100, 63480, 66654, 71415, 72450, 74060, 79350, 86940, 88872, 92575, 95220, 96600, 99981, 105800, 108675, 111090, 114264, 119025, 124200, 133308, 142830, 144900, 148120, 158700, 166635, 173880, 185150, 190440, 199962, 217350, 222180, 238050, 266616, 277725, 285660, 289800, 317400, 333270, 357075, 370300, 399924, 434700, 444360, 476100, 499905, 555450, 571320, 666540, 714150, 740600, 799848, 833175, 869400, 952200, 999810, 1110900, 1333080, 1428300, 1666350, 1999620, 2221800, 2499525, 2856600, 3332700, 3999240, 4999050, 6665400, 9998100, 19996200]

約数ペア:

[(1, 19996200), (2, 9998100), (3, 6665400), (4, 4999050), (5, 3999240), (6, 3332700), (7, 2856600), (8, 2499525), (9, 2221800), (10, 1999620), (12, 1666350), (14, 1428300), (15, 1333080), (18, 1110900), (20, 999810), (21, 952200), (23, 869400), (24, 833175), (25, 799848), (27, 740600), (28, 714150), (30, 666540), (35, 571320), (36, 555450), (40, 499905), (42, 476100), (45, 444360), (46, 434700), (50, 399924), (54, 370300), (56, 357075), (60, 333270), (63, 317400), (69, 289800), (70, 285660), (72, 277725), (75, 266616), (84, 238050), (90, 222180), (92, 217350), (100, 199962), (105, 190440), (108, 185150), (115, 173880), (120, 166635), (126, 158700), (135, 148120), (138, 144900), (140, 142830), (150, 133308), (161, 124200), (168, 119025), (175, 114264), (180, 111090), (184, 108675), (189, 105800), (200, 99981), (207, 96600), (210, 95220), (216, 92575), (225, 88872), (230, 86940), (252, 79350), (270, 74060), (276, 72450), (280, 71415), (300, 66654), (315, 63480), (322, 62100), (345, 57960), (350, 57132), (360, 55545), (378, 52900), (414, 48300), (420, 47610), (450, 44436), (460, 43470), (483, 41400), (504, 39675), (525, 38088), (529, 37800), (540, 37030), (552, 36225), (575, 34776), (600, 33327), (621, 32200), (630, 31740), (644, 31050), (675, 29624), (690, 28980), (700, 28566), (756, 26450), (805, 24840), (828, 24150), (840, 23805), (900, 22218), (920, 21735), (945, 21160), (966, 20700), (1035, 19320), (1050, 19044), (1058, 18900), (1080, 18515), (1150, 17388), (1242, 16100), (1260, 15870), (1288, 15525), (1350, 14812), (1380, 14490), (1400, 14283), (1449, 13800), (1512, 13225), (1575, 12696), (1587, 12600), (1610, 12420), (1656, 12075), (1725, 11592), (1800, 11109), (1890, 10580), (1932, 10350), (2070, 9660), (2100, 9522), (2116, 9450), (2300, 8694), (2415, 8280), (2484, 8050), (2520, 7935), (2645, 7560), (2700, 7406), (2760, 7245), (2898, 6900), (3105, 6440), (3150, 6348), (3174, 6300), (3220, 6210), (3450, 5796), (3703, 5400), (3780, 5290), (3864, 5175), (4025, 4968), (4140, 4830), (4200, 4761), (4232, 4725), (4347, 4600)]