1520431640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2099}}^1$

素因数の和:2329

約数の個数: 128

約数和(自身を含む): 4233600000

約数和(自身を除く): 2713168360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 199, 260, 280, 364, 398, 455, 520, 728, 796, 910, 995, 1393, 1592, 1820, 1990, 2099, 2587, 2786, 3640, 3980, 4198, 5174, 5572, 6965, 7960, 8396, 10348, 10495, 11144, 12935, 13930, 14693, 16792, 18109, 20696, 20990, 25870, 27287, 27860, 29386, 36218, 41980, 51740, 54574, 55720, 58772, 72436, 73465, 83960, 90545, 103480, 109148, 117544, 136435, 144872, 146930, 181090, 191009, 218296, 272870, 293860, 362180, 382018, 417701, 545740, 587720, 724360, 764036, 835402, 955045, 1091480, 1528072, 1670804, 1910090, 2088505, 2923907, 3341608, 3820180, 4177010, 5430113, 5847814, 7640360, 8354020, 10860226, 11695628, 14619535, 16708040, 21720452, 23391256, 27150565, 29239070, 38010791, 43440904, 54301130, 58478140, 76021582, 108602260, 116956280, 152043164, 190053955, 217204520, 304086328, 380107910, 760215820, 1520431640]

約数ペア:

[(1, 1520431640), (2, 760215820), (4, 380107910), (5, 304086328), (7, 217204520), (8, 190053955), (10, 152043164), (13, 116956280), (14, 108602260), (20, 76021582), (26, 58478140), (28, 54301130), (35, 43440904), (40, 38010791), (52, 29239070), (56, 27150565), (65, 23391256), (70, 21720452), (91, 16708040), (104, 14619535), (130, 11695628), (140, 10860226), (182, 8354020), (199, 7640360), (260, 5847814), (280, 5430113), (364, 4177010), (398, 3820180), (455, 3341608), (520, 2923907), (728, 2088505), (796, 1910090), (910, 1670804), (995, 1528072), (1393, 1091480), (1592, 955045), (1820, 835402), (1990, 764036), (2099, 724360), (2587, 587720), (2786, 545740), (3640, 417701), (3980, 382018), (4198, 362180), (5174, 293860), (5572, 272870), (6965, 218296), (7960, 191009), (8396, 181090), (10348, 146930), (10495, 144872), (11144, 136435), (12935, 117544), (13930, 109148), (14693, 103480), (16792, 90545), (18109, 83960), (20696, 73465), (20990, 72436), (25870, 58772), (27287, 55720), (27860, 54574), (29386, 51740), (36218, 41980)]