71363240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 117334360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 233, 247, 248, 260, 310, 380, 403, 466, 494, 520, 589, 620, 760, 806, 932, 988, 1165, 1178, 1235, 1240, 1612, 1864, 1976, 2015, 2330, 2356, 2470, 2945, 3029, 3224, 4030, 4427, 4660, 4712, 4940, 5890, 6058, 7223, 7657, 8060, 8854, 9320, 9880, 11780, 12116, 14446, 15145, 15314, 16120, 17708, 22135, 23560, 24232, 28892, 30290, 30628, 35416, 36115, 38285, 44270, 57551, 57784, 60580, 61256, 72230, 76570, 88540, 93899, 115102, 121160, 137237, 144460, 153140, 177080, 187798, 230204, 274474, 287755, 288920, 306280, 375596, 460408, 469495, 548948, 575510, 686185, 751192, 938990, 1097896, 1151020, 1372370, 1784081, 1877980, 2302040, 2744740, 3568162, 3755960, 5489480, 7136324, 8920405, 14272648, 17840810, 35681620, 71363240]

約数ペア:

[(1, 71363240), (2, 35681620), (4, 17840810), (5, 14272648), (8, 8920405), (10, 7136324), (13, 5489480), (19, 3755960), (20, 3568162), (26, 2744740), (31, 2302040), (38, 1877980), (40, 1784081), (52, 1372370), (62, 1151020), (65, 1097896), (76, 938990), (95, 751192), (104, 686185), (124, 575510), (130, 548948), (152, 469495), (155, 460408), (190, 375596), (233, 306280), (247, 288920), (248, 287755), (260, 274474), (310, 230204), (380, 187798), (403, 177080), (466, 153140), (494, 144460), (520, 137237), (589, 121160), (620, 115102), (760, 93899), (806, 88540), (932, 76570), (988, 72230), (1165, 61256), (1178, 60580), (1235, 57784), (1240, 57551), (1612, 44270), (1864, 38285), (1976, 36115), (2015, 35416), (2330, 30628), (2356, 30290), (2470, 28892), (2945, 24232), (3029, 23560), (3224, 22135), (4030, 17708), (4427, 16120), (4660, 15314), (4712, 15145), (4940, 14446), (5890, 12116), (6058, 11780), (7223, 9880), (7657, 9320), (8060, 8854)]