30661920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 106142400

約数和(自身を除く): 75480480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 199, 214, 240, 288, 321, 360, 398, 428, 480, 535, 597, 642, 720, 796, 856, 963, 995, 1070, 1194, 1284, 1440, 1592, 1605, 1712, 1791, 1926, 1990, 2140, 2388, 2568, 2985, 3184, 3210, 3424, 3582, 3852, 3980, 4280, 4776, 4815, 5136, 5970, 6368, 6420, 7164, 7704, 7960, 8560, 8955, 9552, 9630, 10272, 11940, 12840, 14328, 15408, 15920, 17120, 17910, 19104, 19260, 21293, 23880, 25680, 28656, 30816, 31840, 35820, 38520, 42586, 47760, 51360, 57312, 63879, 71640, 77040, 85172, 95520, 106465, 127758, 143280, 154080, 170344, 191637, 212930, 255516, 286560, 319395, 340688, 383274, 425860, 511032, 638790, 681376, 766548, 851720, 958185, 1022064, 1277580, 1533096, 1703440, 1916370, 2044128, 2555160, 3066192, 3406880, 3832740, 5110320, 6132384, 7665480, 10220640, 15330960, 30661920]

約数ペア:

[(1, 30661920), (2, 15330960), (3, 10220640), (4, 7665480), (5, 6132384), (6, 5110320), (8, 3832740), (9, 3406880), (10, 3066192), (12, 2555160), (15, 2044128), (16, 1916370), (18, 1703440), (20, 1533096), (24, 1277580), (30, 1022064), (32, 958185), (36, 851720), (40, 766548), (45, 681376), (48, 638790), (60, 511032), (72, 425860), (80, 383274), (90, 340688), (96, 319395), (107, 286560), (120, 255516), (144, 212930), (160, 191637), (180, 170344), (199, 154080), (214, 143280), (240, 127758), (288, 106465), (321, 95520), (360, 85172), (398, 77040), (428, 71640), (480, 63879), (535, 57312), (597, 51360), (642, 47760), (720, 42586), (796, 38520), (856, 35820), (963, 31840), (995, 30816), (1070, 28656), (1194, 25680), (1284, 23880), (1440, 21293), (1592, 19260), (1605, 19104), (1712, 17910), (1791, 17120), (1926, 15920), (1990, 15408), (2140, 14328), (2388, 12840), (2568, 11940), (2985, 10272), (3184, 9630), (3210, 9552), (3424, 8955), (3582, 8560), (3852, 7960), (3980, 7704), (4280, 7164), (4776, 6420), (4815, 6368), (5136, 5970)]