1042632640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2339}}^1$

素因数の和:2562

約数の個数: 112

約数和(自身を含む): 2852928000

約数和(自身を除く): 1810295360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 560, 796, 995, 1120, 1393, 1592, 1990, 2240, 2339, 2786, 3184, 3980, 4678, 5572, 6368, 6965, 7960, 9356, 11144, 11695, 12736, 13930, 15920, 16373, 18712, 22288, 23390, 27860, 31840, 32746, 37424, 44576, 46780, 55720, 63680, 65492, 74848, 81865, 89152, 93560, 111440, 130984, 149696, 163730, 187120, 222880, 261968, 327460, 374240, 445760, 465461, 523936, 654920, 748480, 930922, 1047872, 1309840, 1861844, 2327305, 2619680, 3258227, 3723688, 4654610, 5239360, 6516454, 7447376, 9309220, 13032908, 14894752, 16291135, 18618440, 26065816, 29789504, 32582270, 37236880, 52131632, 65164540, 74473760, 104263264, 130329080, 148947520, 208526528, 260658160, 521316320, 1042632640]

約数ペア:

[(1, 1042632640), (2, 521316320), (4, 260658160), (5, 208526528), (7, 148947520), (8, 130329080), (10, 104263264), (14, 74473760), (16, 65164540), (20, 52131632), (28, 37236880), (32, 32582270), (35, 29789504), (40, 26065816), (56, 18618440), (64, 16291135), (70, 14894752), (80, 13032908), (112, 9309220), (140, 7447376), (160, 6516454), (199, 5239360), (224, 4654610), (280, 3723688), (320, 3258227), (398, 2619680), (448, 2327305), (560, 1861844), (796, 1309840), (995, 1047872), (1120, 930922), (1393, 748480), (1592, 654920), (1990, 523936), (2240, 465461), (2339, 445760), (2786, 374240), (3184, 327460), (3980, 261968), (4678, 222880), (5572, 187120), (6368, 163730), (6965, 149696), (7960, 130984), (9356, 111440), (11144, 93560), (11695, 89152), (12736, 81865), (13930, 74848), (15920, 65492), (16373, 63680), (18712, 55720), (22288, 46780), (23390, 44576), (27860, 37424), (31840, 32746)]