31430940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 94080000

約数和(自身を除く): 62649060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 316, 349, 380, 395, 474, 570, 698, 790, 948, 1047, 1140, 1185, 1396, 1501, 1580, 1745, 2094, 2370, 3002, 3490, 4188, 4503, 4740, 5235, 6004, 6631, 6980, 7505, 9006, 10470, 13262, 15010, 18012, 19893, 20940, 22515, 26524, 27571, 30020, 33155, 39786, 45030, 55142, 66310, 79572, 82713, 90060, 99465, 110284, 132620, 137855, 165426, 198930, 275710, 330852, 397860, 413565, 523849, 551420, 827130, 1047698, 1571547, 1654260, 2095396, 2619245, 3143094, 5238490, 6286188, 7857735, 10476980, 15715470, 31430940]

約数ペア:

[(1, 31430940), (2, 15715470), (3, 10476980), (4, 7857735), (5, 6286188), (6, 5238490), (10, 3143094), (12, 2619245), (15, 2095396), (19, 1654260), (20, 1571547), (30, 1047698), (38, 827130), (57, 551420), (60, 523849), (76, 413565), (79, 397860), (95, 330852), (114, 275710), (158, 198930), (190, 165426), (228, 137855), (237, 132620), (285, 110284), (316, 99465), (349, 90060), (380, 82713), (395, 79572), (474, 66310), (570, 55142), (698, 45030), (790, 39786), (948, 33155), (1047, 30020), (1140, 27571), (1185, 26524), (1396, 22515), (1501, 20940), (1580, 19893), (1745, 18012), (2094, 15010), (2370, 13262), (3002, 10470), (3490, 9006), (4188, 7505), (4503, 6980), (4740, 6631), (5235, 6004)]