217637040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 713525760

約数和(自身を除く): 495888720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 443, 445, 460, 534, 552, 690, 712, 886, 890, 920, 1068, 1104, 1329, 1335, 1380, 1424, 1772, 1780, 1840, 2047, 2136, 2215, 2658, 2670, 2760, 3544, 3560, 4094, 4272, 4430, 5316, 5340, 5520, 6141, 6645, 7088, 7120, 8188, 8860, 10189, 10235, 10632, 10680, 12282, 13290, 16376, 17720, 20378, 20470, 21264, 21360, 24564, 26580, 30567, 30705, 32752, 35440, 39427, 40756, 40940, 49128, 50945, 53160, 61134, 61410, 78854, 81512, 81880, 98256, 101890, 106320, 118281, 122268, 122820, 152835, 157708, 163024, 163760, 197135, 203780, 236562, 244536, 245640, 305670, 315416, 394270, 407560, 473124, 489072, 491280, 591405, 611340, 630832, 788540, 815120, 906821, 946248, 1182810, 1222680, 1577080, 1813642, 1892496, 2365620, 2445360, 2720463, 3154160, 3627284, 4534105, 4731240, 5440926, 7254568, 9068210, 9462480, 10881852, 13602315, 14509136, 18136420, 21763704, 27204630, 36272840, 43527408, 54409260, 72545680, 108818520, 217637040]

約数ペア:

[(1, 217637040), (2, 108818520), (3, 72545680), (4, 54409260), (5, 43527408), (6, 36272840), (8, 27204630), (10, 21763704), (12, 18136420), (15, 14509136), (16, 13602315), (20, 10881852), (23, 9462480), (24, 9068210), (30, 7254568), (40, 5440926), (46, 4731240), (48, 4534105), (60, 3627284), (69, 3154160), (80, 2720463), (89, 2445360), (92, 2365620), (115, 1892496), (120, 1813642), (138, 1577080), (178, 1222680), (184, 1182810), (230, 946248), (240, 906821), (267, 815120), (276, 788540), (345, 630832), (356, 611340), (368, 591405), (443, 491280), (445, 489072), (460, 473124), (534, 407560), (552, 394270), (690, 315416), (712, 305670), (886, 245640), (890, 244536), (920, 236562), (1068, 203780), (1104, 197135), (1329, 163760), (1335, 163024), (1380, 157708), (1424, 152835), (1772, 122820), (1780, 122268), (1840, 118281), (2047, 106320), (2136, 101890), (2215, 98256), (2658, 81880), (2670, 81512), (2760, 78854), (3544, 61410), (3560, 61134), (4094, 53160), (4272, 50945), (4430, 49128), (5316, 40940), (5340, 40756), (5520, 39427), (6141, 35440), (6645, 32752), (7088, 30705), (7120, 30567), (8188, 26580), (8860, 24564), (10189, 21360), (10235, 21264), (10632, 20470), (10680, 20378), (12282, 17720), (13290, 16376)]