201585720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5581}}^1$

素因数の和:5645

約数の個数: 128

約数和(自身を含む): 707351040

約数和(自身を除く): 505765320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 5581, 6020, 7224, 9030, 11162, 12040, 16743, 18060, 22324, 27905, 33486, 36120, 39067, 44648, 55810, 66972, 78134, 83715, 111620, 117201, 133944, 156268, 167430, 195335, 223240, 234402, 239983, 312536, 334860, 390670, 468804, 479966, 586005, 669720, 719949, 781340, 937608, 959932, 1172010, 1199915, 1439898, 1562680, 1679881, 1919864, 2344020, 2399830, 2879796, 3359762, 3599745, 4688040, 4799660, 5039643, 5759592, 6719524, 7199490, 8399405, 9599320, 10079286, 13439048, 14398980, 16798810, 20158572, 25198215, 28797960, 33597620, 40317144, 50396430, 67195240, 100792860, 201585720]

約数ペア:

[(1, 201585720), (2, 100792860), (3, 67195240), (4, 50396430), (5, 40317144), (6, 33597620), (7, 28797960), (8, 25198215), (10, 20158572), (12, 16798810), (14, 14398980), (15, 13439048), (20, 10079286), (21, 9599320), (24, 8399405), (28, 7199490), (30, 6719524), (35, 5759592), (40, 5039643), (42, 4799660), (43, 4688040), (56, 3599745), (60, 3359762), (70, 2879796), (84, 2399830), (86, 2344020), (105, 1919864), (120, 1679881), (129, 1562680), (140, 1439898), (168, 1199915), (172, 1172010), (210, 959932), (215, 937608), (258, 781340), (280, 719949), (301, 669720), (344, 586005), (420, 479966), (430, 468804), (516, 390670), (602, 334860), (645, 312536), (840, 239983), (860, 234402), (903, 223240), (1032, 195335), (1204, 167430), (1290, 156268), (1505, 133944), (1720, 117201), (1806, 111620), (2408, 83715), (2580, 78134), (3010, 66972), (3612, 55810), (4515, 44648), (5160, 39067), (5581, 36120), (6020, 33486), (7224, 27905), (9030, 22324), (11162, 18060), (12040, 16743)]