15638520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^4$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 49521960

約数和(自身を除く): 33883440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 722, 760, 1083, 1140, 1444, 1805, 2166, 2280, 2888, 3610, 4332, 5415, 6859, 7220, 8664, 10830, 13718, 14440, 20577, 21660, 27436, 34295, 41154, 43320, 54872, 68590, 82308, 102885, 130321, 137180, 164616, 205770, 260642, 274360, 390963, 411540, 521284, 651605, 781926, 823080, 1042568, 1303210, 1563852, 1954815, 2606420, 3127704, 3909630, 5212840, 7819260, 15638520]

約数ペア:

[(1, 15638520), (2, 7819260), (3, 5212840), (4, 3909630), (5, 3127704), (6, 2606420), (8, 1954815), (10, 1563852), (12, 1303210), (15, 1042568), (19, 823080), (20, 781926), (24, 651605), (30, 521284), (38, 411540), (40, 390963), (57, 274360), (60, 260642), (76, 205770), (95, 164616), (114, 137180), (120, 130321), (152, 102885), (190, 82308), (228, 68590), (285, 54872), (361, 43320), (380, 41154), (456, 34295), (570, 27436), (722, 21660), (760, 20577), (1083, 14440), (1140, 13718), (1444, 10830), (1805, 8664), (2166, 7220), (2280, 6859), (2888, 5415), (3610, 4332)]