550561120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 1406795040

約数和(自身を除く): 856233920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 80, 82, 89, 92, 115, 160, 164, 178, 184, 205, 230, 328, 356, 368, 410, 445, 460, 656, 712, 736, 820, 890, 920, 943, 1312, 1424, 1640, 1681, 1780, 1840, 1886, 2047, 2848, 3280, 3362, 3560, 3649, 3680, 3772, 4094, 4715, 6560, 6724, 7120, 7298, 7544, 8188, 8405, 9430, 10235, 13448, 14240, 14596, 15088, 16376, 16810, 18245, 18860, 20470, 26896, 29192, 30176, 32752, 33620, 36490, 37720, 38663, 40940, 53792, 58384, 65504, 67240, 72980, 75440, 77326, 81880, 83927, 116768, 134480, 145960, 149609, 150880, 154652, 163760, 167854, 193315, 268960, 291920, 299218, 309304, 327520, 335708, 386630, 419635, 583840, 598436, 618608, 671416, 748045, 773260, 839270, 1196872, 1237216, 1342832, 1496090, 1546520, 1678540, 2393744, 2685664, 2992180, 3093040, 3357080, 3441007, 4787488, 5984360, 6186080, 6714160, 6882014, 11968720, 13428320, 13764028, 17205035, 23937440, 27528056, 34410070, 55056112, 68820140, 110112224, 137640280, 275280560, 550561120]

約数ペア:

[(1, 550561120), (2, 275280560), (4, 137640280), (5, 110112224), (8, 68820140), (10, 55056112), (16, 34410070), (20, 27528056), (23, 23937440), (32, 17205035), (40, 13764028), (41, 13428320), (46, 11968720), (80, 6882014), (82, 6714160), (89, 6186080), (92, 5984360), (115, 4787488), (160, 3441007), (164, 3357080), (178, 3093040), (184, 2992180), (205, 2685664), (230, 2393744), (328, 1678540), (356, 1546520), (368, 1496090), (410, 1342832), (445, 1237216), (460, 1196872), (656, 839270), (712, 773260), (736, 748045), (820, 671416), (890, 618608), (920, 598436), (943, 583840), (1312, 419635), (1424, 386630), (1640, 335708), (1681, 327520), (1780, 309304), (1840, 299218), (1886, 291920), (2047, 268960), (2848, 193315), (3280, 167854), (3362, 163760), (3560, 154652), (3649, 150880), (3680, 149609), (3772, 145960), (4094, 134480), (4715, 116768), (6560, 83927), (6724, 81880), (7120, 77326), (7298, 75440), (7544, 72980), (8188, 67240), (8405, 65504), (9430, 58384), (10235, 53792), (13448, 40940), (14240, 38663), (14596, 37720), (15088, 36490), (16376, 33620), (16810, 32752), (18245, 30176), (18860, 29192), (20470, 26896)]