21107569920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{323339}}^1$

素因数の和:323380

約数の個数: 144

約数和(自身を含む): 71377951680

約数和(自身を除く): 50270381760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 323339, 646678, 970017, 1293356, 1616695, 1940034, 2586712, 3233390, 3880068, 4850085, 5173424, 5496763, 6466780, 7760136, 9700170, 10346848, 10993526, 12933560, 15520272, 16490289, 19400340, 20693696, 21987052, 25867120, 27483815, 31040544, 32980578, 38800680, 41387392, 43974104, 51734240, 54967630, 62081088, 65961156, 77601360, 82451445, 82774784, 87948208, 103468480, 109935260, 124162176, 131922312, 155202720, 164902890, 175896416, 206936960, 219870520, 248324352, 263844624, 310405440, 329805780, 351792832, 413873920, 439741040, 527689248, 620810880, 659611560, 703585664, 879482080, 1055378496, 1241621760, 1319223120, 1407171328, 1758964160, 2110756992, 2638446240, 3517928320, 4221513984, 5276892480, 7035856640, 10553784960, 21107569920]

約数ペア:

[(1, 21107569920), (2, 10553784960), (3, 7035856640), (4, 5276892480), (5, 4221513984), (6, 3517928320), (8, 2638446240), (10, 2110756992), (12, 1758964160), (15, 1407171328), (16, 1319223120), (17, 1241621760), (20, 1055378496), (24, 879482080), (30, 703585664), (32, 659611560), (34, 620810880), (40, 527689248), (48, 439741040), (51, 413873920), (60, 351792832), (64, 329805780), (68, 310405440), (80, 263844624), (85, 248324352), (96, 219870520), (102, 206936960), (120, 175896416), (128, 164902890), (136, 155202720), (160, 131922312), (170, 124162176), (192, 109935260), (204, 103468480), (240, 87948208), (255, 82774784), (256, 82451445), (272, 77601360), (320, 65961156), (340, 62081088), (384, 54967630), (408, 51734240), (480, 43974104), (510, 41387392), (544, 38800680), (640, 32980578), (680, 31040544), (768, 27483815), (816, 25867120), (960, 21987052), (1020, 20693696), (1088, 19400340), (1280, 16490289), (1360, 15520272), (1632, 12933560), (1920, 10993526), (2040, 10346848), (2176, 9700170), (2720, 7760136), (3264, 6466780), (3840, 5496763), (4080, 5173424), (4352, 4850085), (5440, 3880068), (6528, 3233390), (8160, 2586712), (10880, 1940034), (13056, 1616695), (16320, 1293356), (21760, 970017), (32640, 646678), (65280, 323339)]