81196200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 276619200

約数和(自身を除く): 195423000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 200, 225, 237, 300, 316, 360, 395, 450, 474, 571, 600, 632, 711, 790, 900, 948, 1142, 1185, 1422, 1580, 1713, 1800, 1896, 1975, 2284, 2370, 2844, 2855, 3160, 3426, 3555, 3950, 4568, 4740, 5139, 5688, 5710, 5925, 6852, 7110, 7900, 8565, 9480, 10278, 11420, 11850, 13704, 14220, 14275, 15800, 17130, 17775, 20556, 22840, 23700, 25695, 28440, 28550, 34260, 35550, 41112, 42825, 45109, 47400, 51390, 57100, 68520, 71100, 85650, 90218, 102780, 114200, 128475, 135327, 142200, 171300, 180436, 205560, 225545, 256950, 270654, 342600, 360872, 405981, 451090, 513900, 541308, 676635, 811962, 902180, 1027800, 1082616, 1127725, 1353270, 1623924, 1804360, 2029905, 2255450, 2706540, 3247848, 3383175, 4059810, 4510900, 5413080, 6766350, 8119620, 9021800, 10149525, 13532700, 16239240, 20299050, 27065400, 40598100, 81196200]

約数ペア:

[(1, 81196200), (2, 40598100), (3, 27065400), (4, 20299050), (5, 16239240), (6, 13532700), (8, 10149525), (9, 9021800), (10, 8119620), (12, 6766350), (15, 5413080), (18, 4510900), (20, 4059810), (24, 3383175), (25, 3247848), (30, 2706540), (36, 2255450), (40, 2029905), (45, 1804360), (50, 1623924), (60, 1353270), (72, 1127725), (75, 1082616), (79, 1027800), (90, 902180), (100, 811962), (120, 676635), (150, 541308), (158, 513900), (180, 451090), (200, 405981), (225, 360872), (237, 342600), (300, 270654), (316, 256950), (360, 225545), (395, 205560), (450, 180436), (474, 171300), (571, 142200), (600, 135327), (632, 128475), (711, 114200), (790, 102780), (900, 90218), (948, 85650), (1142, 71100), (1185, 68520), (1422, 57100), (1580, 51390), (1713, 47400), (1800, 45109), (1896, 42825), (1975, 41112), (2284, 35550), (2370, 34260), (2844, 28550), (2855, 28440), (3160, 25695), (3426, 23700), (3555, 22840), (3950, 20556), (4568, 17775), (4740, 17130), (5139, 15800), (5688, 14275), (5710, 14220), (5925, 13704), (6852, 11850), (7110, 11420), (7900, 10278), (8565, 9480)]