31988320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^4$

素因数の和:74

約数の個数: 120

約数和(自身を含む): 93565584

約数和(自身を除く): 61577264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1352, 1456, 1690, 1820, 2080, 2197, 2366, 2704, 2912, 3380, 3640, 4394, 4732, 5408, 5915, 6760, 7280, 8788, 9464, 10985, 11830, 13520, 14560, 15379, 17576, 18928, 21970, 23660, 27040, 28561, 30758, 35152, 37856, 43940, 47320, 57122, 61516, 70304, 76895, 87880, 94640, 114244, 123032, 142805, 153790, 175760, 189280, 199927, 228488, 246064, 285610, 307580, 351520, 399854, 456976, 492128, 571220, 615160, 799708, 913952, 999635, 1142440, 1230320, 1599416, 1999270, 2284880, 2460640, 3198832, 3998540, 4569760, 6397664, 7997080, 15994160, 31988320]

約数ペア:

[(1, 31988320), (2, 15994160), (4, 7997080), (5, 6397664), (7, 4569760), (8, 3998540), (10, 3198832), (13, 2460640), (14, 2284880), (16, 1999270), (20, 1599416), (26, 1230320), (28, 1142440), (32, 999635), (35, 913952), (40, 799708), (52, 615160), (56, 571220), (65, 492128), (70, 456976), (80, 399854), (91, 351520), (104, 307580), (112, 285610), (130, 246064), (140, 228488), (160, 199927), (169, 189280), (182, 175760), (208, 153790), (224, 142805), (260, 123032), (280, 114244), (338, 94640), (364, 87880), (416, 76895), (455, 70304), (520, 61516), (560, 57122), (676, 47320), (728, 43940), (845, 37856), (910, 35152), (1040, 30758), (1120, 28561), (1183, 27040), (1352, 23660), (1456, 21970), (1690, 18928), (1820, 17576), (2080, 15379), (2197, 14560), (2366, 13520), (2704, 11830), (2912, 10985), (3380, 9464), (3640, 8788), (4394, 7280), (4732, 6760), (5408, 5915)]