208260720

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{3571}}^1$

素因数の和:3602

約数の個数: 140

約数和(自身を含む): 726180456

約数和(自身を除く): 517919736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3571, 3645, 3888, 4860, 5832, 6480, 7142, 7290, 9720, 10713, 11664, 14284, 14580, 17855, 19440, 21426, 28568, 29160, 32139, 35710, 42852, 53565, 57136, 58320, 64278, 71420, 85704, 96417, 107130, 128556, 142840, 160695, 171408, 192834, 214260, 257112, 285680, 289251, 321390, 385668, 428520, 482085, 514224, 578502, 642780, 771336, 857040, 867753, 964170, 1157004, 1285560, 1446255, 1542672, 1735506, 1928340, 2314008, 2571120, 2603259, 2892510, 3471012, 3856680, 4338765, 4628016, 5206518, 5785020, 6942024, 7713360, 8677530, 10413036, 11570040, 13016295, 13884048, 17355060, 20826072, 23140080, 26032590, 34710120, 41652144, 52065180, 69420240, 104130360, 208260720]

約数ペア:

[(1, 208260720), (2, 104130360), (3, 69420240), (4, 52065180), (5, 41652144), (6, 34710120), (8, 26032590), (9, 23140080), (10, 20826072), (12, 17355060), (15, 13884048), (16, 13016295), (18, 11570040), (20, 10413036), (24, 8677530), (27, 7713360), (30, 6942024), (36, 5785020), (40, 5206518), (45, 4628016), (48, 4338765), (54, 3856680), (60, 3471012), (72, 2892510), (80, 2603259), (81, 2571120), (90, 2314008), (108, 1928340), (120, 1735506), (135, 1542672), (144, 1446255), (162, 1285560), (180, 1157004), (216, 964170), (240, 867753), (243, 857040), (270, 771336), (324, 642780), (360, 578502), (405, 514224), (432, 482085), (486, 428520), (540, 385668), (648, 321390), (720, 289251), (729, 285680), (810, 257112), (972, 214260), (1080, 192834), (1215, 171408), (1296, 160695), (1458, 142840), (1620, 128556), (1944, 107130), (2160, 96417), (2430, 85704), (2916, 71420), (3240, 64278), (3571, 58320), (3645, 57136), (3888, 53565), (4860, 42852), (5832, 35710), (6480, 32139), (7142, 29160), (7290, 28568), (9720, 21426), (10713, 19440), (11664, 17855), (14284, 14580)]