217882680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 690508800

約数和(自身を除く): 472626120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 345, 356, 445, 460, 534, 552, 690, 712, 887, 890, 920, 1068, 1335, 1380, 1774, 1780, 2047, 2136, 2661, 2670, 2760, 3548, 3560, 4094, 4435, 5322, 5340, 6141, 7096, 8188, 8870, 10235, 10644, 10680, 12282, 13305, 16376, 17740, 20401, 20470, 21288, 24564, 26610, 30705, 35480, 40802, 40940, 49128, 53220, 61203, 61410, 78943, 81604, 81880, 102005, 106440, 122406, 122820, 157886, 163208, 204010, 236829, 244812, 245640, 306015, 315772, 394715, 408020, 473658, 489624, 612030, 631544, 789430, 816040, 947316, 1184145, 1224060, 1578860, 1815689, 1894632, 2368290, 2448120, 3157720, 3631378, 4736580, 5447067, 7262756, 9078445, 9473160, 10894134, 14525512, 18156890, 21788268, 27235335, 36313780, 43576536, 54470670, 72627560, 108941340, 217882680]

約数ペア:

[(1, 217882680), (2, 108941340), (3, 72627560), (4, 54470670), (5, 43576536), (6, 36313780), (8, 27235335), (10, 21788268), (12, 18156890), (15, 14525512), (20, 10894134), (23, 9473160), (24, 9078445), (30, 7262756), (40, 5447067), (46, 4736580), (60, 3631378), (69, 3157720), (89, 2448120), (92, 2368290), (115, 1894632), (120, 1815689), (138, 1578860), (178, 1224060), (184, 1184145), (230, 947316), (267, 816040), (276, 789430), (345, 631544), (356, 612030), (445, 489624), (460, 473658), (534, 408020), (552, 394715), (690, 315772), (712, 306015), (887, 245640), (890, 244812), (920, 236829), (1068, 204010), (1335, 163208), (1380, 157886), (1774, 122820), (1780, 122406), (2047, 106440), (2136, 102005), (2661, 81880), (2670, 81604), (2760, 78943), (3548, 61410), (3560, 61203), (4094, 53220), (4435, 49128), (5322, 40940), (5340, 40802), (6141, 35480), (7096, 30705), (8188, 26610), (8870, 24564), (10235, 21288), (10644, 20470), (10680, 20401), (12282, 17740), (13305, 16376)]