29870820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 104901888

約数和(自身を除く): 75031068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 151, 157, 180, 210, 252, 302, 314, 315, 420, 453, 471, 604, 628, 630, 755, 785, 906, 942, 1057, 1099, 1260, 1359, 1413, 1510, 1570, 1812, 1884, 2114, 2198, 2265, 2355, 2718, 2826, 3020, 3140, 3171, 3297, 4228, 4396, 4530, 4710, 5285, 5436, 5495, 5652, 6342, 6594, 6795, 7065, 9060, 9420, 9513, 9891, 10570, 10990, 12684, 13188, 13590, 14130, 15855, 16485, 19026, 19782, 21140, 21980, 23707, 27180, 28260, 31710, 32970, 38052, 39564, 47414, 47565, 49455, 63420, 65940, 71121, 94828, 95130, 98910, 118535, 142242, 165949, 190260, 197820, 213363, 237070, 284484, 331898, 355605, 426726, 474140, 497847, 663796, 711210, 829745, 853452, 995694, 1066815, 1422420, 1493541, 1659490, 1991388, 2133630, 2489235, 2987082, 3318980, 4267260, 4978470, 5974164, 7467705, 9956940, 14935410, 29870820]

約数ペア:

[(1, 29870820), (2, 14935410), (3, 9956940), (4, 7467705), (5, 5974164), (6, 4978470), (7, 4267260), (9, 3318980), (10, 2987082), (12, 2489235), (14, 2133630), (15, 1991388), (18, 1659490), (20, 1493541), (21, 1422420), (28, 1066815), (30, 995694), (35, 853452), (36, 829745), (42, 711210), (45, 663796), (60, 497847), (63, 474140), (70, 426726), (84, 355605), (90, 331898), (105, 284484), (126, 237070), (140, 213363), (151, 197820), (157, 190260), (180, 165949), (210, 142242), (252, 118535), (302, 98910), (314, 95130), (315, 94828), (420, 71121), (453, 65940), (471, 63420), (604, 49455), (628, 47565), (630, 47414), (755, 39564), (785, 38052), (906, 32970), (942, 31710), (1057, 28260), (1099, 27180), (1260, 23707), (1359, 21980), (1413, 21140), (1510, 19782), (1570, 19026), (1812, 16485), (1884, 15855), (2114, 14130), (2198, 13590), (2265, 13188), (2355, 12684), (2718, 10990), (2826, 10570), (3020, 9891), (3140, 9513), (3171, 9420), (3297, 9060), (4228, 7065), (4396, 6795), (4530, 6594), (4710, 6342), (5285, 5652), (5436, 5495)]