178849020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 588349440

約数和(自身を除く): 409500420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 479, 490, 508, 588, 635, 735, 762, 889, 958, 980, 1270, 1437, 1470, 1524, 1778, 1905, 1916, 2395, 2540, 2667, 2874, 2940, 3353, 3556, 3810, 4445, 4790, 5334, 5748, 6223, 6706, 7185, 7620, 8890, 9580, 10059, 10668, 12446, 13335, 13412, 14370, 16765, 17780, 18669, 20118, 23471, 24892, 26670, 28740, 31115, 33530, 37338, 40236, 46942, 50295, 53340, 60833, 62230, 67060, 70413, 74676, 93345, 93884, 100590, 117355, 121666, 124460, 140826, 182499, 186690, 201180, 234710, 243332, 281652, 304165, 352065, 364998, 373380, 425831, 469420, 608330, 704130, 729996, 851662, 912495, 1216660, 1277493, 1408260, 1703324, 1824990, 2129155, 2554986, 2980817, 3649980, 4258310, 5109972, 5961634, 6387465, 8516620, 8942451, 11923268, 12774930, 14904085, 17884902, 25549860, 29808170, 35769804, 44712255, 59616340, 89424510, 178849020]

約数ペア:

[(1, 178849020), (2, 89424510), (3, 59616340), (4, 44712255), (5, 35769804), (6, 29808170), (7, 25549860), (10, 17884902), (12, 14904085), (14, 12774930), (15, 11923268), (20, 8942451), (21, 8516620), (28, 6387465), (30, 5961634), (35, 5109972), (42, 4258310), (49, 3649980), (60, 2980817), (70, 2554986), (84, 2129155), (98, 1824990), (105, 1703324), (127, 1408260), (140, 1277493), (147, 1216660), (196, 912495), (210, 851662), (245, 729996), (254, 704130), (294, 608330), (381, 469420), (420, 425831), (479, 373380), (490, 364998), (508, 352065), (588, 304165), (635, 281652), (735, 243332), (762, 234710), (889, 201180), (958, 186690), (980, 182499), (1270, 140826), (1437, 124460), (1470, 121666), (1524, 117355), (1778, 100590), (1905, 93884), (1916, 93345), (2395, 74676), (2540, 70413), (2667, 67060), (2874, 62230), (2940, 60833), (3353, 53340), (3556, 50295), (3810, 46942), (4445, 40236), (4790, 37338), (5334, 33530), (5748, 31115), (6223, 28740), (6706, 26670), (7185, 24892), (7620, 23471), (8890, 20118), (9580, 18669), (10059, 17780), (10668, 16765), (12446, 14370), (13335, 13412)]