209472720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 694241280

約数和(自身を除く): 484768560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 71, 76, 80, 95, 114, 120, 142, 152, 190, 213, 228, 240, 284, 285, 304, 355, 380, 426, 456, 568, 570, 647, 710, 760, 852, 912, 1065, 1136, 1140, 1294, 1349, 1420, 1520, 1704, 1941, 2130, 2280, 2588, 2698, 2840, 3235, 3408, 3882, 4047, 4260, 4560, 5176, 5396, 5680, 6470, 6745, 7764, 8094, 8520, 9705, 10352, 10792, 12293, 12940, 13490, 15528, 16188, 17040, 19410, 20235, 21584, 24586, 25880, 26980, 31056, 32376, 36879, 38820, 40470, 45937, 49172, 51760, 53960, 61465, 64752, 73758, 77640, 80940, 91874, 98344, 107920, 122930, 137811, 147516, 155280, 161880, 183748, 184395, 196688, 229685, 245860, 275622, 295032, 323760, 367496, 368790, 459370, 491720, 551244, 590064, 689055, 734992, 737580, 872803, 918740, 983440, 1102488, 1378110, 1475160, 1745606, 1837480, 2204976, 2618409, 2756220, 2950320, 3491212, 3674960, 4364015, 5236818, 5512440, 6982424, 8728030, 10473636, 11024880, 13092045, 13964848, 17456060, 20947272, 26184090, 34912120, 41894544, 52368180, 69824240, 104736360, 209472720]

約数ペア:

[(1, 209472720), (2, 104736360), (3, 69824240), (4, 52368180), (5, 41894544), (6, 34912120), (8, 26184090), (10, 20947272), (12, 17456060), (15, 13964848), (16, 13092045), (19, 11024880), (20, 10473636), (24, 8728030), (30, 6982424), (38, 5512440), (40, 5236818), (48, 4364015), (57, 3674960), (60, 3491212), (71, 2950320), (76, 2756220), (80, 2618409), (95, 2204976), (114, 1837480), (120, 1745606), (142, 1475160), (152, 1378110), (190, 1102488), (213, 983440), (228, 918740), (240, 872803), (284, 737580), (285, 734992), (304, 689055), (355, 590064), (380, 551244), (426, 491720), (456, 459370), (568, 368790), (570, 367496), (647, 323760), (710, 295032), (760, 275622), (852, 245860), (912, 229685), (1065, 196688), (1136, 184395), (1140, 183748), (1294, 161880), (1349, 155280), (1420, 147516), (1520, 137811), (1704, 122930), (1941, 107920), (2130, 98344), (2280, 91874), (2588, 80940), (2698, 77640), (2840, 73758), (3235, 64752), (3408, 61465), (3882, 53960), (4047, 51760), (4260, 49172), (4560, 45937), (5176, 40470), (5396, 38820), (5680, 36879), (6470, 32376), (6745, 31056), (7764, 26980), (8094, 25880), (8520, 24586), (9705, 21584), (10352, 20235), (10792, 19410), (12293, 17040), (12940, 16188), (13490, 15528)]