12956820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 38949120

約数和(自身を除く): 25992300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 41, 46, 60, 69, 82, 92, 115, 123, 138, 164, 205, 229, 230, 246, 276, 345, 410, 458, 460, 492, 615, 687, 690, 820, 916, 943, 1145, 1230, 1374, 1380, 1886, 2290, 2460, 2748, 2829, 3435, 3772, 4580, 4715, 5267, 5658, 6870, 9389, 9430, 10534, 11316, 13740, 14145, 15801, 18778, 18860, 21068, 26335, 28167, 28290, 31602, 37556, 46945, 52670, 56334, 56580, 63204, 79005, 93890, 105340, 112668, 140835, 158010, 187780, 215947, 281670, 316020, 431894, 563340, 647841, 863788, 1079735, 1295682, 2159470, 2591364, 3239205, 4318940, 6478410, 12956820]

約数ペア:

[(1, 12956820), (2, 6478410), (3, 4318940), (4, 3239205), (5, 2591364), (6, 2159470), (10, 1295682), (12, 1079735), (15, 863788), (20, 647841), (23, 563340), (30, 431894), (41, 316020), (46, 281670), (60, 215947), (69, 187780), (82, 158010), (92, 140835), (115, 112668), (123, 105340), (138, 93890), (164, 79005), (205, 63204), (229, 56580), (230, 56334), (246, 52670), (276, 46945), (345, 37556), (410, 31602), (458, 28290), (460, 28167), (492, 26335), (615, 21068), (687, 18860), (690, 18778), (820, 15801), (916, 14145), (943, 13740), (1145, 11316), (1230, 10534), (1374, 9430), (1380, 9389), (1886, 6870), (2290, 5658), (2460, 5267), (2748, 4715), (2829, 4580), (3435, 3772)]