245227360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 144

約数和(自身を含む): 696366720

約数和(自身を除く): 451139360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1009, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2018, 2170, 2480, 3038, 3472, 3920, 4036, 4340, 4960, 5045, 6076, 6944, 7063, 7595, 7840, 8072, 8680, 10090, 12152, 14126, 15190, 16144, 17360, 20180, 24304, 28252, 30380, 31279, 32288, 34720, 35315, 40360, 48608, 49441, 56504, 60760, 62558, 70630, 80720, 98882, 113008, 121520, 125116, 141260, 156395, 161440, 197764, 218953, 226016, 243040, 247205, 250232, 282520, 312790, 395528, 437906, 494410, 500464, 565040, 625580, 791056, 875812, 988820, 1000928, 1094765, 1130080, 1251160, 1532671, 1582112, 1751624, 1977640, 2189530, 2502320, 3065342, 3503248, 3955280, 4379060, 5004640, 6130684, 7006496, 7663355, 7910560, 8758120, 12261368, 15326710, 17516240, 24522736, 30653420, 35032480, 49045472, 61306840, 122613680, 245227360]

約数ペア:

[(1, 245227360), (2, 122613680), (4, 61306840), (5, 49045472), (7, 35032480), (8, 30653420), (10, 24522736), (14, 17516240), (16, 15326710), (20, 12261368), (28, 8758120), (31, 7910560), (32, 7663355), (35, 7006496), (40, 6130684), (49, 5004640), (56, 4379060), (62, 3955280), (70, 3503248), (80, 3065342), (98, 2502320), (112, 2189530), (124, 1977640), (140, 1751624), (155, 1582112), (160, 1532671), (196, 1251160), (217, 1130080), (224, 1094765), (245, 1000928), (248, 988820), (280, 875812), (310, 791056), (392, 625580), (434, 565040), (490, 500464), (496, 494410), (560, 437906), (620, 395528), (784, 312790), (868, 282520), (980, 250232), (992, 247205), (1009, 243040), (1085, 226016), (1120, 218953), (1240, 197764), (1519, 161440), (1568, 156395), (1736, 141260), (1960, 125116), (2018, 121520), (2170, 113008), (2480, 98882), (3038, 80720), (3472, 70630), (3920, 62558), (4036, 60760), (4340, 56504), (4960, 49441), (5045, 48608), (6076, 40360), (6944, 35315), (7063, 34720), (7595, 32288), (7840, 31279), (8072, 30380), (8680, 28252), (10090, 24304), (12152, 20180), (14126, 17360), (15190, 16144)]