15216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 51425280

約数和(自身を除く): 36208560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 47, 48, 57, 60, 71, 76, 80, 94, 95, 114, 120, 141, 142, 152, 188, 190, 213, 228, 235, 240, 282, 284, 285, 304, 355, 376, 380, 426, 456, 470, 564, 568, 570, 705, 710, 752, 760, 852, 893, 912, 940, 1065, 1128, 1136, 1140, 1349, 1410, 1420, 1520, 1704, 1786, 1880, 2130, 2256, 2280, 2679, 2698, 2820, 2840, 3337, 3408, 3572, 3760, 4047, 4260, 4465, 4560, 5358, 5396, 5640, 5680, 6674, 6745, 7144, 8094, 8520, 8930, 10011, 10716, 10792, 11280, 13348, 13395, 13490, 14288, 16188, 16685, 17040, 17860, 20022, 20235, 21432, 21584, 26696, 26790, 26980, 32376, 33370, 35720, 40044, 40470, 42864, 50055, 53392, 53580, 53960, 63403, 64752, 66740, 71440, 80088, 80940, 100110, 107160, 107920, 126806, 133480, 160176, 161880, 190209, 200220, 214320, 253612, 266960, 317015, 323760, 380418, 400440, 507224, 634030, 760836, 800880, 951045, 1014448, 1268060, 1521672, 1902090, 2536120, 3043344, 3804180, 5072240, 7608360, 15216720]

約数ペア:

[(1, 15216720), (2, 7608360), (3, 5072240), (4, 3804180), (5, 3043344), (6, 2536120), (8, 1902090), (10, 1521672), (12, 1268060), (15, 1014448), (16, 951045), (19, 800880), (20, 760836), (24, 634030), (30, 507224), (38, 400440), (40, 380418), (47, 323760), (48, 317015), (57, 266960), (60, 253612), (71, 214320), (76, 200220), (80, 190209), (94, 161880), (95, 160176), (114, 133480), (120, 126806), (141, 107920), (142, 107160), (152, 100110), (188, 80940), (190, 80088), (213, 71440), (228, 66740), (235, 64752), (240, 63403), (282, 53960), (284, 53580), (285, 53392), (304, 50055), (355, 42864), (376, 40470), (380, 40044), (426, 35720), (456, 33370), (470, 32376), (564, 26980), (568, 26790), (570, 26696), (705, 21584), (710, 21432), (752, 20235), (760, 20022), (852, 17860), (893, 17040), (912, 16685), (940, 16188), (1065, 14288), (1128, 13490), (1136, 13395), (1140, 13348), (1349, 11280), (1410, 10792), (1420, 10716), (1520, 10011), (1704, 8930), (1786, 8520), (1880, 8094), (2130, 7144), (2256, 6745), (2280, 6674), (2679, 5680), (2698, 5640), (2820, 5396), (2840, 5358), (3337, 4560), (3408, 4465), (3572, 4260), (3760, 4047)]