142569420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 471598848

約数和(自身を除く): 329029428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 683, 710, 735, 852, 980, 994, 1065, 1366, 1420, 1470, 1491, 1988, 2049, 2130, 2485, 2732, 2940, 2982, 3415, 3479, 4098, 4260, 4781, 4970, 5964, 6830, 6958, 7455, 8196, 9562, 9940, 10245, 10437, 13660, 13916, 14343, 14910, 17395, 19124, 20490, 20874, 23905, 28686, 29820, 33467, 34790, 40980, 41748, 47810, 48493, 52185, 57372, 66934, 69580, 71715, 95620, 96986, 100401, 104370, 133868, 143430, 145479, 167335, 193972, 200802, 208740, 242465, 286860, 290958, 334670, 339451, 401604, 484930, 502005, 581916, 669340, 678902, 727395, 969860, 1004010, 1018353, 1357804, 1454790, 1697255, 2008020, 2036706, 2376157, 2909580, 3394510, 4073412, 4752314, 5091765, 6789020, 7128471, 9504628, 10183530, 11880785, 14256942, 20367060, 23761570, 28513884, 35642355, 47523140, 71284710, 142569420]

約数ペア:

[(1, 142569420), (2, 71284710), (3, 47523140), (4, 35642355), (5, 28513884), (6, 23761570), (7, 20367060), (10, 14256942), (12, 11880785), (14, 10183530), (15, 9504628), (20, 7128471), (21, 6789020), (28, 5091765), (30, 4752314), (35, 4073412), (42, 3394510), (49, 2909580), (60, 2376157), (70, 2036706), (71, 2008020), (84, 1697255), (98, 1454790), (105, 1357804), (140, 1018353), (142, 1004010), (147, 969860), (196, 727395), (210, 678902), (213, 669340), (245, 581916), (284, 502005), (294, 484930), (355, 401604), (420, 339451), (426, 334670), (490, 290958), (497, 286860), (588, 242465), (683, 208740), (710, 200802), (735, 193972), (852, 167335), (980, 145479), (994, 143430), (1065, 133868), (1366, 104370), (1420, 100401), (1470, 96986), (1491, 95620), (1988, 71715), (2049, 69580), (2130, 66934), (2485, 57372), (2732, 52185), (2940, 48493), (2982, 47810), (3415, 41748), (3479, 40980), (4098, 34790), (4260, 33467), (4781, 29820), (4970, 28686), (5964, 23905), (6830, 20874), (6958, 20490), (7455, 19124), (8196, 17395), (9562, 14910), (9940, 14343), (10245, 13916), (10437, 13660)]