290259960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2181

約数の個数: 128

約数和(自身を含む): 932083200

約数和(自身を除く): 641823240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1464, 1830, 2087, 2280, 2318, 2440, 3477, 3660, 4174, 4636, 5795, 6261, 6954, 7320, 8348, 9272, 10435, 11590, 12522, 13908, 16696, 17385, 20870, 23180, 25044, 27816, 31305, 34770, 39653, 41740, 46360, 50088, 62610, 69540, 79306, 83480, 118959, 125220, 127307, 139080, 158612, 198265, 237918, 250440, 254614, 317224, 381921, 396530, 475836, 509228, 594795, 636535, 763842, 793060, 951672, 1018456, 1189590, 1273070, 1527684, 1586120, 1909605, 2379180, 2418833, 2546140, 3055368, 3819210, 4758360, 4837666, 5092280, 7256499, 7638420, 9675332, 12094165, 14512998, 15276840, 19350664, 24188330, 29025996, 36282495, 48376660, 58051992, 72564990, 96753320, 145129980, 290259960]

約数ペア:

[(1, 290259960), (2, 145129980), (3, 96753320), (4, 72564990), (5, 58051992), (6, 48376660), (8, 36282495), (10, 29025996), (12, 24188330), (15, 19350664), (19, 15276840), (20, 14512998), (24, 12094165), (30, 9675332), (38, 7638420), (40, 7256499), (57, 5092280), (60, 4837666), (61, 4758360), (76, 3819210), (95, 3055368), (114, 2546140), (120, 2418833), (122, 2379180), (152, 1909605), (183, 1586120), (190, 1527684), (228, 1273070), (244, 1189590), (285, 1018456), (305, 951672), (366, 793060), (380, 763842), (456, 636535), (488, 594795), (570, 509228), (610, 475836), (732, 396530), (760, 381921), (915, 317224), (1140, 254614), (1159, 250440), (1220, 237918), (1464, 198265), (1830, 158612), (2087, 139080), (2280, 127307), (2318, 125220), (2440, 118959), (3477, 83480), (3660, 79306), (4174, 69540), (4636, 62610), (5795, 50088), (6261, 46360), (6954, 41740), (7320, 39653), (8348, 34770), (9272, 31305), (10435, 27816), (11590, 25044), (12522, 23180), (13908, 20870), (16696, 17385)]