231660390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 620605440

約数和(自身を除く): 388945050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 79, 103, 130, 146, 158, 195, 206, 219, 237, 309, 365, 390, 395, 438, 474, 515, 618, 730, 790, 949, 1027, 1030, 1095, 1185, 1339, 1545, 1898, 2054, 2190, 2370, 2678, 2847, 3081, 3090, 4017, 4745, 5135, 5694, 5767, 6162, 6695, 7519, 8034, 8137, 9490, 10270, 11534, 13390, 14235, 15038, 15405, 16274, 17301, 20085, 22557, 24411, 28470, 28835, 30810, 34602, 37595, 40170, 40685, 45114, 48822, 57670, 74971, 75190, 81370, 86505, 97747, 105781, 112785, 122055, 149942, 173010, 195494, 211562, 224913, 225570, 244110, 293241, 317343, 374855, 449826, 488735, 528905, 586482, 594001, 634686, 749710, 977470, 1057810, 1124565, 1188002, 1466205, 1586715, 1782003, 2249130, 2932410, 2970005, 3173430, 3564006, 5940010, 7722013, 8910015, 15444026, 17820030, 23166039, 38610065, 46332078, 77220130, 115830195, 231660390]

約数ペア:

[(1, 231660390), (2, 115830195), (3, 77220130), (5, 46332078), (6, 38610065), (10, 23166039), (13, 17820030), (15, 15444026), (26, 8910015), (30, 7722013), (39, 5940010), (65, 3564006), (73, 3173430), (78, 2970005), (79, 2932410), (103, 2249130), (130, 1782003), (146, 1586715), (158, 1466205), (195, 1188002), (206, 1124565), (219, 1057810), (237, 977470), (309, 749710), (365, 634686), (390, 594001), (395, 586482), (438, 528905), (474, 488735), (515, 449826), (618, 374855), (730, 317343), (790, 293241), (949, 244110), (1027, 225570), (1030, 224913), (1095, 211562), (1185, 195494), (1339, 173010), (1545, 149942), (1898, 122055), (2054, 112785), (2190, 105781), (2370, 97747), (2678, 86505), (2847, 81370), (3081, 75190), (3090, 74971), (4017, 57670), (4745, 48822), (5135, 45114), (5694, 40685), (5767, 40170), (6162, 37595), (6695, 34602), (7519, 30810), (8034, 28835), (8137, 28470), (9490, 24411), (10270, 22557), (11534, 20085), (13390, 17301), (14235, 16274), (15038, 15405)]