15039640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 44582400

約数和(自身を除く): 29542760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 257, 266, 280, 308, 380, 385, 418, 440, 514, 532, 616, 665, 760, 770, 836, 1028, 1045, 1064, 1285, 1330, 1463, 1540, 1672, 1799, 2056, 2090, 2570, 2660, 2827, 2926, 3080, 3598, 4180, 4883, 5140, 5320, 5654, 5852, 7196, 7315, 8360, 8995, 9766, 10280, 11308, 11704, 14135, 14392, 14630, 17990, 19532, 19789, 22616, 24415, 28270, 29260, 34181, 35980, 39064, 39578, 48830, 53713, 56540, 58520, 68362, 71960, 79156, 97660, 98945, 107426, 113080, 136724, 158312, 170905, 195320, 197890, 214852, 268565, 273448, 341810, 375991, 395780, 429704, 537130, 683620, 751982, 791560, 1074260, 1367240, 1503964, 1879955, 2148520, 3007928, 3759910, 7519820, 15039640]

約数ペア:

[(1, 15039640), (2, 7519820), (4, 3759910), (5, 3007928), (7, 2148520), (8, 1879955), (10, 1503964), (11, 1367240), (14, 1074260), (19, 791560), (20, 751982), (22, 683620), (28, 537130), (35, 429704), (38, 395780), (40, 375991), (44, 341810), (55, 273448), (56, 268565), (70, 214852), (76, 197890), (77, 195320), (88, 170905), (95, 158312), (110, 136724), (133, 113080), (140, 107426), (152, 98945), (154, 97660), (190, 79156), (209, 71960), (220, 68362), (257, 58520), (266, 56540), (280, 53713), (308, 48830), (380, 39578), (385, 39064), (418, 35980), (440, 34181), (514, 29260), (532, 28270), (616, 24415), (665, 22616), (760, 19789), (770, 19532), (836, 17990), (1028, 14630), (1045, 14392), (1064, 14135), (1285, 11704), (1330, 11308), (1463, 10280), (1540, 9766), (1672, 8995), (1799, 8360), (2056, 7315), (2090, 7196), (2570, 5852), (2660, 5654), (2827, 5320), (2926, 5140), (3080, 4883), (3598, 4180)]