31440240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3391

約数の個数: 120

約数和(自身を含む): 113742720

約数和(自身を除く): 82302480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3359, 4680, 6718, 9360, 10077, 13436, 16795, 20154, 26872, 30231, 33590, 40308, 43667, 50385, 53744, 60462, 67180, 80616, 87334, 100770, 120924, 131001, 134360, 151155, 161232, 174668, 201540, 218335, 241848, 262002, 268720, 302310, 349336, 393003, 403080, 436670, 483696, 524004, 604620, 655005, 698672, 786006, 806160, 873340, 1048008, 1209240, 1310010, 1572012, 1746680, 1965015, 2096016, 2418480, 2620020, 3144024, 3493360, 3930030, 5240040, 6288048, 7860060, 10480080, 15720120, 31440240]

約数ペア:

[(1, 31440240), (2, 15720120), (3, 10480080), (4, 7860060), (5, 6288048), (6, 5240040), (8, 3930030), (9, 3493360), (10, 3144024), (12, 2620020), (13, 2418480), (15, 2096016), (16, 1965015), (18, 1746680), (20, 1572012), (24, 1310010), (26, 1209240), (30, 1048008), (36, 873340), (39, 806160), (40, 786006), (45, 698672), (48, 655005), (52, 604620), (60, 524004), (65, 483696), (72, 436670), (78, 403080), (80, 393003), (90, 349336), (104, 302310), (117, 268720), (120, 262002), (130, 241848), (144, 218335), (156, 201540), (180, 174668), (195, 161232), (208, 151155), (234, 134360), (240, 131001), (260, 120924), (312, 100770), (360, 87334), (390, 80616), (468, 67180), (520, 60462), (585, 53744), (624, 50385), (720, 43667), (780, 40308), (936, 33590), (1040, 30231), (1170, 26872), (1560, 20154), (1872, 16795), (2340, 13436), (3120, 10077), (3359, 9360), (4680, 6718)]