851040720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3571}}^1$

素因数の和:3921

約数の個数: 120

約数和(自身を含む): 2867515872

約数和(自身を除く): 2016475152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 331, 360, 662, 720, 993, 1324, 1655, 1986, 2648, 2979, 3310, 3571, 3972, 4965, 5296, 5958, 6620, 7142, 7944, 9930, 10713, 11916, 13240, 14284, 14895, 15888, 17855, 19860, 21426, 23832, 26480, 28568, 29790, 32139, 35710, 39720, 42852, 47664, 53565, 57136, 59580, 64278, 71420, 79440, 85704, 107130, 119160, 128556, 142840, 160695, 171408, 214260, 238320, 257112, 285680, 321390, 428520, 514224, 642780, 857040, 1182001, 1285560, 2364002, 2571120, 3546003, 4728004, 5910005, 7092006, 9456008, 10638009, 11820010, 14184012, 17730015, 18912016, 21276018, 23640020, 28368024, 35460030, 42552036, 47280040, 53190045, 56736048, 70920060, 85104072, 94560080, 106380090, 141840120, 170208144, 212760180, 283680240, 425520360, 851040720]

約数ペア:

[(1, 851040720), (2, 425520360), (3, 283680240), (4, 212760180), (5, 170208144), (6, 141840120), (8, 106380090), (9, 94560080), (10, 85104072), (12, 70920060), (15, 56736048), (16, 53190045), (18, 47280040), (20, 42552036), (24, 35460030), (30, 28368024), (36, 23640020), (40, 21276018), (45, 18912016), (48, 17730015), (60, 14184012), (72, 11820010), (80, 10638009), (90, 9456008), (120, 7092006), (144, 5910005), (180, 4728004), (240, 3546003), (331, 2571120), (360, 2364002), (662, 1285560), (720, 1182001), (993, 857040), (1324, 642780), (1655, 514224), (1986, 428520), (2648, 321390), (2979, 285680), (3310, 257112), (3571, 238320), (3972, 214260), (4965, 171408), (5296, 160695), (5958, 142840), (6620, 128556), (7142, 119160), (7944, 107130), (9930, 85704), (10713, 79440), (11916, 71420), (13240, 64278), (14284, 59580), (14895, 57136), (15888, 53565), (17855, 47664), (19860, 42852), (21426, 39720), (23832, 35710), (26480, 32139), (28568, 29790)]