28371200

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 85161216

約数和(自身を除く): 56790016

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 32, 40, 44, 50, 52, 55, 62, 64, 65, 80, 88, 100, 104, 110, 124, 128, 130, 143, 155, 160, 176, 200, 208, 220, 248, 256, 260, 275, 286, 310, 320, 325, 341, 352, 400, 403, 416, 440, 496, 520, 550, 572, 620, 640, 650, 682, 704, 715, 775, 800, 806, 832, 880, 992, 1040, 1100, 1144, 1240, 1280, 1300, 1364, 1408, 1430, 1550, 1600, 1612, 1664, 1705, 1760, 1984, 2015, 2080, 2200, 2288, 2480, 2600, 2728, 2816, 2860, 3100, 3200, 3224, 3328, 3410, 3520, 3575, 3968, 4030, 4160, 4400, 4433, 4576, 4960, 5200, 5456, 5720, 6200, 6400, 6448, 6820, 7040, 7150, 7936, 8060, 8320, 8525, 8800, 8866, 9152, 9920, 10075, 10400, 10912, 11440, 12400, 12896, 13640, 14080, 14300, 16120, 16640, 17050, 17600, 17732, 18304, 19840, 20150, 20800, 21824, 22165, 22880, 24800, 25792, 27280, 28600, 32240, 34100, 35200, 35464, 36608, 39680, 40300, 41600, 43648, 44330, 45760, 49600, 51584, 54560, 57200, 64480, 68200, 70400, 70928, 80600, 83200, 87296, 88660, 91520, 99200, 103168, 109120, 110825, 114400, 128960, 136400, 141856, 161200, 177320, 183040, 198400, 218240, 221650, 228800, 257920, 272800, 283712, 322400, 354640, 436480, 443300, 457600, 515840, 545600, 567424, 644800, 709280, 886600, 915200, 1091200, 1134848, 1289600, 1418560, 1773200, 2182400, 2579200, 2837120, 3546400, 5674240, 7092800, 14185600, 28371200]

約数ペア:

[(1, 28371200), (2, 14185600), (4, 7092800), (5, 5674240), (8, 3546400), (10, 2837120), (11, 2579200), (13, 2182400), (16, 1773200), (20, 1418560), (22, 1289600), (25, 1134848), (26, 1091200), (31, 915200), (32, 886600), (40, 709280), (44, 644800), (50, 567424), (52, 545600), (55, 515840), (62, 457600), (64, 443300), (65, 436480), (80, 354640), (88, 322400), (100, 283712), (104, 272800), (110, 257920), (124, 228800), (128, 221650), (130, 218240), (143, 198400), (155, 183040), (160, 177320), (176, 161200), (200, 141856), (208, 136400), (220, 128960), (248, 114400), (256, 110825), (260, 109120), (275, 103168), (286, 99200), (310, 91520), (320, 88660), (325, 87296), (341, 83200), (352, 80600), (400, 70928), (403, 70400), (416, 68200), (440, 64480), (496, 57200), (520, 54560), (550, 51584), (572, 49600), (620, 45760), (640, 44330), (650, 43648), (682, 41600), (704, 40300), (715, 39680), (775, 36608), (800, 35464), (806, 35200), (832, 34100), (880, 32240), (992, 28600), (1040, 27280), (1100, 25792), (1144, 24800), (1240, 22880), (1280, 22165), (1300, 21824), (1364, 20800), (1408, 20150), (1430, 19840), (1550, 18304), (1600, 17732), (1612, 17600), (1664, 17050), (1705, 16640), (1760, 16120), (1984, 14300), (2015, 14080), (2080, 13640), (2200, 12896), (2288, 12400), (2480, 11440), (2600, 10912), (2728, 10400), (2816, 10075), (2860, 9920), (3100, 9152), (3200, 8866), (3224, 8800), (3328, 8525), (3410, 8320), (3520, 8060), (3575, 7936), (3968, 7150), (4030, 7040), (4160, 6820), (4400, 6448), (4433, 6400), (4576, 6200), (4960, 5720), (5200, 5456)]