211987320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 671846400

約数和(自身を除く): 459859080

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, 863, 890, 920, 1068, 1335, 1380, 1726, 1780, 2047, 2136, 2589, 2670, 2760, 3452, 3560, 4094, 4315, 5178, 5340, 6141, 6904, 8188, 8630, 10235, 10356, 10680, 12282, 12945, 16376, 17260, 19849, 20470, 20712, 24564, 25890, 30705, 34520, 39698, 40940, 49128, 51780, 59547, 61410, 76807, 79396, 81880, 99245, 103560, 119094, 122820, 153614, 158792, 198490, 230421, 238188, 245640, 297735, 307228, 384035, 396980, 460842, 476376, 595470, 614456, 768070, 793960, 921684, 1152105, 1190940, 1536140, 1766561, 1843368, 2304210, 2381880, 3072280, 3533122, 4608420, 5299683, 7066244, 8832805, 9216840, 10599366, 14132488, 17665610, 21198732, 26498415, 35331220, 42397464, 52996830, 70662440, 105993660, 211987320]

約数ペア:

[(1, 211987320), (2, 105993660), (3, 70662440), (4, 52996830), (5, 42397464), (6, 35331220), (8, 26498415), (10, 21198732), (12, 17665610), (15, 14132488), (20, 10599366), (23, 9216840), (24, 8832805), (30, 7066244), (40, 5299683), (46, 4608420), (60, 3533122), (69, 3072280), (89, 2381880), (92, 2304210), (115, 1843368), (120, 1766561), (138, 1536140), (178, 1190940), (184, 1152105), (230, 921684), (267, 793960), (276, 768070), (345, 614456), (356, 595470), (445, 476376), (460, 460842), (534, 396980), (552, 384035), (690, 307228), (712, 297735), (863, 245640), (890, 238188), (920, 230421), (1068, 198490), (1335, 158792), (1380, 153614), (1726, 122820), (1780, 119094), (2047, 103560), (2136, 99245), (2589, 81880), (2670, 79396), (2760, 76807), (3452, 61410), (3560, 59547), (4094, 51780), (4315, 49128), (5178, 40940), (5340, 39698), (6141, 34520), (6904, 30705), (8188, 25890), (8630, 24564), (10235, 20712), (10356, 20470), (10680, 19849), (12282, 17260), (12945, 16376)]