30975840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:474

約数の個数: 216

約数和(自身を含む): 123243120

約数和(自身を除く): 92267280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 439, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 878, 882, 980, 1008, 1120, 1176, 1260, 1317, 1440, 1470, 1568, 1680, 1756, 1764, 1960, 2016, 2195, 2205, 2352, 2520, 2634, 2940, 3073, 3360, 3512, 3528, 3920, 3951, 4390, 4410, 4704, 5040, 5268, 5880, 6146, 6585, 7024, 7056, 7840, 7902, 8780, 8820, 9219, 10080, 10536, 11760, 12292, 13170, 14048, 14112, 15365, 15804, 17560, 17640, 18438, 19755, 21072, 21511, 23520, 24584, 26340, 27657, 30730, 31608, 35120, 35280, 36876, 39510, 42144, 43022, 46095, 49168, 52680, 55314, 61460, 63216, 64533, 70240, 70560, 73752, 79020, 86044, 92190, 98336, 105360, 107555, 110628, 122920, 126432, 129066, 138285, 147504, 158040, 172088, 184380, 193599, 210720, 215110, 221256, 245840, 258132, 276570, 295008, 316080, 322665, 344176, 368760, 387198, 430220, 442512, 491680, 516264, 553140, 632160, 645330, 688352, 737520, 774396, 860440, 885024, 967995, 1032528, 1106280, 1290660, 1475040, 1548792, 1720880, 1935990, 2065056, 2212560, 2581320, 3097584, 3441760, 3871980, 4425120, 5162640, 6195168, 7743960, 10325280, 15487920, 30975840]

約数ペア:

[(1, 30975840), (2, 15487920), (3, 10325280), (4, 7743960), (5, 6195168), (6, 5162640), (7, 4425120), (8, 3871980), (9, 3441760), (10, 3097584), (12, 2581320), (14, 2212560), (15, 2065056), (16, 1935990), (18, 1720880), (20, 1548792), (21, 1475040), (24, 1290660), (28, 1106280), (30, 1032528), (32, 967995), (35, 885024), (36, 860440), (40, 774396), (42, 737520), (45, 688352), (48, 645330), (49, 632160), (56, 553140), (60, 516264), (63, 491680), (70, 442512), (72, 430220), (80, 387198), (84, 368760), (90, 344176), (96, 322665), (98, 316080), (105, 295008), (112, 276570), (120, 258132), (126, 245840), (140, 221256), (144, 215110), (147, 210720), (160, 193599), (168, 184380), (180, 172088), (196, 158040), (210, 147504), (224, 138285), (240, 129066), (245, 126432), (252, 122920), (280, 110628), (288, 107555), (294, 105360), (315, 98336), (336, 92190), (360, 86044), (392, 79020), (420, 73752), (439, 70560), (441, 70240), (480, 64533), (490, 63216), (504, 61460), (560, 55314), (588, 52680), (630, 49168), (672, 46095), (720, 43022), (735, 42144), (784, 39510), (840, 36876), (878, 35280), (882, 35120), (980, 31608), (1008, 30730), (1120, 27657), (1176, 26340), (1260, 24584), (1317, 23520), (1440, 21511), (1470, 21072), (1568, 19755), (1680, 18438), (1756, 17640), (1764, 17560), (1960, 15804), (2016, 15365), (2195, 14112), (2205, 14048), (2352, 13170), (2520, 12292), (2634, 11760), (2940, 10536), (3073, 10080), (3360, 9219), (3512, 8820), (3528, 8780), (3920, 7902), (3951, 7840), (4390, 7056), (4410, 7024), (4704, 6585), (5040, 6146), (5268, 5880)]