28976520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 64335480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 179, 190, 213, 228, 284, 285, 355, 358, 380, 426, 456, 537, 568, 570, 710, 716, 760, 852, 895, 1065, 1074, 1140, 1349, 1420, 1432, 1704, 1790, 2130, 2148, 2280, 2685, 2698, 2840, 3401, 3580, 4047, 4260, 4296, 5370, 5396, 6745, 6802, 7160, 8094, 8520, 10203, 10740, 10792, 12709, 13490, 13604, 16188, 17005, 20235, 20406, 21480, 25418, 26980, 27208, 32376, 34010, 38127, 40470, 40812, 50836, 51015, 53960, 63545, 68020, 76254, 80940, 81624, 101672, 102030, 127090, 136040, 152508, 161880, 190635, 204060, 241471, 254180, 305016, 381270, 408120, 482942, 508360, 724413, 762540, 965884, 1207355, 1448826, 1525080, 1931768, 2414710, 2897652, 3622065, 4829420, 5795304, 7244130, 9658840, 14488260, 28976520]

約数ペア:

[(1, 28976520), (2, 14488260), (3, 9658840), (4, 7244130), (5, 5795304), (6, 4829420), (8, 3622065), (10, 2897652), (12, 2414710), (15, 1931768), (19, 1525080), (20, 1448826), (24, 1207355), (30, 965884), (38, 762540), (40, 724413), (57, 508360), (60, 482942), (71, 408120), (76, 381270), (95, 305016), (114, 254180), (120, 241471), (142, 204060), (152, 190635), (179, 161880), (190, 152508), (213, 136040), (228, 127090), (284, 102030), (285, 101672), (355, 81624), (358, 80940), (380, 76254), (426, 68020), (456, 63545), (537, 53960), (568, 51015), (570, 50836), (710, 40812), (716, 40470), (760, 38127), (852, 34010), (895, 32376), (1065, 27208), (1074, 26980), (1140, 25418), (1349, 21480), (1420, 20406), (1432, 20235), (1704, 17005), (1790, 16188), (2130, 13604), (2148, 13490), (2280, 12709), (2685, 10792), (2698, 10740), (2840, 10203), (3401, 8520), (3580, 8094), (4047, 7160), (4260, 6802), (4296, 6745), (5370, 5396)]