30140028

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 80589600

約数和(自身を除く): 50449572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 138, 178, 207, 267, 276, 356, 409, 414, 534, 801, 818, 828, 1068, 1227, 1602, 1636, 2047, 2454, 3204, 3681, 4094, 4908, 6141, 7362, 8188, 9407, 12282, 14724, 18423, 18814, 24564, 28221, 36401, 36846, 37628, 56442, 72802, 73692, 84663, 109203, 112884, 145604, 169326, 218406, 327609, 338652, 436812, 655218, 837223, 1310436, 1674446, 2511669, 3348892, 5023338, 7535007, 10046676, 15070014, 30140028]

約数ペア:

[(1, 30140028), (2, 15070014), (3, 10046676), (4, 7535007), (6, 5023338), (9, 3348892), (12, 2511669), (18, 1674446), (23, 1310436), (36, 837223), (46, 655218), (69, 436812), (89, 338652), (92, 327609), (138, 218406), (178, 169326), (207, 145604), (267, 112884), (276, 109203), (356, 84663), (409, 73692), (414, 72802), (534, 56442), (801, 37628), (818, 36846), (828, 36401), (1068, 28221), (1227, 24564), (1602, 18814), (1636, 18423), (2047, 14724), (2454, 12282), (3204, 9407), (3681, 8188), (4094, 7362), (4908, 6141)]