90205360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2138

約数の個数: 80

約数和(自身を含む): 242841600

約数和(自身を除く): 152636240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2039, 2212, 2765, 3160, 4078, 4424, 5530, 6320, 8156, 8848, 10195, 11060, 14273, 16312, 20390, 22120, 28546, 32624, 40780, 44240, 57092, 71365, 81560, 114184, 142730, 161081, 163120, 228368, 285460, 322162, 570920, 644324, 805405, 1127567, 1141840, 1288648, 1610810, 2255134, 2577296, 3221620, 4510268, 5637835, 6443240, 9020536, 11275670, 12886480, 18041072, 22551340, 45102680, 90205360]

約数ペア:

[(1, 90205360), (2, 45102680), (4, 22551340), (5, 18041072), (7, 12886480), (8, 11275670), (10, 9020536), (14, 6443240), (16, 5637835), (20, 4510268), (28, 3221620), (35, 2577296), (40, 2255134), (56, 1610810), (70, 1288648), (79, 1141840), (80, 1127567), (112, 805405), (140, 644324), (158, 570920), (280, 322162), (316, 285460), (395, 228368), (553, 163120), (560, 161081), (632, 142730), (790, 114184), (1106, 81560), (1264, 71365), (1580, 57092), (2039, 44240), (2212, 40780), (2765, 32624), (3160, 28546), (4078, 22120), (4424, 20390), (5530, 16312), (6320, 14273), (8156, 11060), (8848, 10195)]