164002400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 438721920

約数和(自身を除く): 274719520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 160, 170, 200, 248, 272, 310, 340, 389, 400, 425, 496, 527, 544, 620, 680, 775, 778, 800, 850, 992, 1054, 1240, 1360, 1550, 1556, 1700, 1945, 2108, 2480, 2635, 2720, 3100, 3112, 3400, 3890, 4216, 4960, 5270, 6200, 6224, 6613, 6800, 7780, 8432, 9725, 10540, 12059, 12400, 12448, 13175, 13226, 13600, 15560, 16864, 19450, 21080, 24118, 24800, 26350, 26452, 31120, 33065, 38900, 42160, 48236, 52700, 52904, 60295, 62240, 66130, 77800, 84320, 96472, 105400, 105808, 120590, 132260, 155600, 165325, 192944, 205003, 210800, 211616, 241180, 264520, 301475, 311200, 330650, 385888, 410006, 421600, 482360, 529040, 602950, 661300, 820012, 964720, 1025015, 1058080, 1205900, 1322600, 1640024, 1929440, 2050030, 2411800, 2645200, 3280048, 4100060, 4823600, 5125075, 5290400, 6560096, 8200120, 9647200, 10250150, 16400240, 20500300, 32800480, 41000600, 82001200, 164002400]

約数ペア:

[(1, 164002400), (2, 82001200), (4, 41000600), (5, 32800480), (8, 20500300), (10, 16400240), (16, 10250150), (17, 9647200), (20, 8200120), (25, 6560096), (31, 5290400), (32, 5125075), (34, 4823600), (40, 4100060), (50, 3280048), (62, 2645200), (68, 2411800), (80, 2050030), (85, 1929440), (100, 1640024), (124, 1322600), (136, 1205900), (155, 1058080), (160, 1025015), (170, 964720), (200, 820012), (248, 661300), (272, 602950), (310, 529040), (340, 482360), (389, 421600), (400, 410006), (425, 385888), (496, 330650), (527, 311200), (544, 301475), (620, 264520), (680, 241180), (775, 211616), (778, 210800), (800, 205003), (850, 192944), (992, 165325), (1054, 155600), (1240, 132260), (1360, 120590), (1550, 105808), (1556, 105400), (1700, 96472), (1945, 84320), (2108, 77800), (2480, 66130), (2635, 62240), (2720, 60295), (3100, 52904), (3112, 52700), (3400, 48236), (3890, 42160), (4216, 38900), (4960, 33065), (5270, 31120), (6200, 26452), (6224, 26350), (6613, 24800), (6800, 24118), (7780, 21080), (8432, 19450), (9725, 16864), (10540, 15560), (12059, 13600), (12400, 13226), (12448, 13175)]