20778664800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{509281}}^1$

素因数の和:509321

約数の個数: 144

約数和(自身を含む): 71613197712

約数和(自身を除く): 50834532912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 480, 510, 544, 600, 680, 800, 816, 850, 1020, 1200, 1275, 1360, 1632, 1700, 2040, 2400, 2550, 2720, 3400, 4080, 5100, 6800, 8160, 10200, 13600, 20400, 40800, 509281, 1018562, 1527843, 2037124, 2546405, 3055686, 4074248, 5092810, 6111372, 7639215, 8148496, 8657777, 10185620, 12222744, 12732025, 15278430, 16296992, 17315554, 20371240, 24445488, 25464050, 25973331, 30556860, 34631108, 38196075, 40742480, 43288885, 48890976, 50928100, 51946662, 61113720, 69262216, 76392150, 81484960, 86577770, 101856200, 103893324, 122227440, 129866655, 138524432, 152784300, 173155540, 203712400, 207786648, 216444425, 244454880, 259733310, 277048864, 305568600, 346311080, 407424800, 415573296, 432888850, 519466620, 611137200, 649333275, 692622160, 831146592, 865777700, 1038933240, 1222274400, 1298666550, 1385244320, 1731555400, 2077866480, 2597333100, 3463110800, 4155732960, 5194666200, 6926221600, 10389332400, 20778664800]

約数ペア:

[(1, 20778664800), (2, 10389332400), (3, 6926221600), (4, 5194666200), (5, 4155732960), (6, 3463110800), (8, 2597333100), (10, 2077866480), (12, 1731555400), (15, 1385244320), (16, 1298666550), (17, 1222274400), (20, 1038933240), (24, 865777700), (25, 831146592), (30, 692622160), (32, 649333275), (34, 611137200), (40, 519466620), (48, 432888850), (50, 415573296), (51, 407424800), (60, 346311080), (68, 305568600), (75, 277048864), (80, 259733310), (85, 244454880), (96, 216444425), (100, 207786648), (102, 203712400), (120, 173155540), (136, 152784300), (150, 138524432), (160, 129866655), (170, 122227440), (200, 103893324), (204, 101856200), (240, 86577770), (255, 81484960), (272, 76392150), (300, 69262216), (340, 61113720), (400, 51946662), (408, 50928100), (425, 48890976), (480, 43288885), (510, 40742480), (544, 38196075), (600, 34631108), (680, 30556860), (800, 25973331), (816, 25464050), (850, 24445488), (1020, 20371240), (1200, 17315554), (1275, 16296992), (1360, 15278430), (1632, 12732025), (1700, 12222744), (2040, 10185620), (2400, 8657777), (2550, 8148496), (2720, 7639215), (3400, 6111372), (4080, 5092810), (5100, 4074248), (6800, 3055686), (8160, 2546405), (10200, 2037124), (13600, 1527843), (20400, 1018562), (40800, 509281)]