81617040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113357}}^1$

素因数の和:113376

約数の個数: 60

約数和(自身を含む): 274099644

約数和(自身を除く): 192482604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113357, 226714, 340071, 453428, 566785, 680142, 906856, 1020213, 1133570, 1360284, 1700355, 1813712, 2040426, 2267140, 2720568, 3400710, 4080852, 4534280, 5101065, 5441136, 6801420, 8161704, 9068560, 10202130, 13602840, 16323408, 20404260, 27205680, 40808520, 81617040]

約数ペア:

[(1, 81617040), (2, 40808520), (3, 27205680), (4, 20404260), (5, 16323408), (6, 13602840), (8, 10202130), (9, 9068560), (10, 8161704), (12, 6801420), (15, 5441136), (16, 5101065), (18, 4534280), (20, 4080852), (24, 3400710), (30, 2720568), (36, 2267140), (40, 2040426), (45, 1813712), (48, 1700355), (60, 1360284), (72, 1133570), (80, 1020213), (90, 906856), (120, 680142), (144, 566785), (180, 453428), (240, 340071), (360, 226714), (720, 113357)]