142225720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1025

約数の個数: 128

約数和(自身を含む): 403885440

約数和(自身を除く): 261659720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 953, 1066, 1148, 1435, 1640, 1820, 1906, 2132, 2296, 2665, 2870, 3640, 3731, 3812, 4264, 4765, 5330, 5740, 6671, 7462, 7624, 9530, 10660, 11480, 12389, 13342, 14924, 18655, 19060, 21320, 24778, 26684, 29848, 33355, 37310, 38120, 39073, 49556, 53368, 61945, 66710, 74620, 78146, 86723, 99112, 123890, 133420, 149240, 156292, 173446, 195365, 247780, 266840, 273511, 312584, 346892, 390730, 433615, 495560, 507949, 547022, 693784, 781460, 867230, 1015898, 1094044, 1367555, 1562920, 1734460, 2031796, 2188088, 2539745, 2735110, 3468920, 3555643, 4063592, 5079490, 5470220, 7111286, 10158980, 10940440, 14222572, 17778215, 20317960, 28445144, 35556430, 71112860, 142225720]

約数ペア:

[(1, 142225720), (2, 71112860), (4, 35556430), (5, 28445144), (7, 20317960), (8, 17778215), (10, 14222572), (13, 10940440), (14, 10158980), (20, 7111286), (26, 5470220), (28, 5079490), (35, 4063592), (40, 3555643), (41, 3468920), (52, 2735110), (56, 2539745), (65, 2188088), (70, 2031796), (82, 1734460), (91, 1562920), (104, 1367555), (130, 1094044), (140, 1015898), (164, 867230), (182, 781460), (205, 693784), (260, 547022), (280, 507949), (287, 495560), (328, 433615), (364, 390730), (410, 346892), (455, 312584), (520, 273511), (533, 266840), (574, 247780), (728, 195365), (820, 173446), (910, 156292), (953, 149240), (1066, 133420), (1148, 123890), (1435, 99112), (1640, 86723), (1820, 78146), (1906, 74620), (2132, 66710), (2296, 61945), (2665, 53368), (2870, 49556), (3640, 39073), (3731, 38120), (3812, 37310), (4264, 33355), (4765, 29848), (5330, 26684), (5740, 24778), (6671, 21320), (7462, 19060), (7624, 18655), (9530, 14924), (10660, 13342), (11480, 12389)]