400823520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 192

約数和(自身を含む): 1309271040

約数和(自身を除く): 908447520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 109, 120, 141, 160, 163, 188, 218, 235, 240, 282, 326, 327, 376, 436, 470, 480, 489, 545, 564, 652, 654, 705, 752, 815, 872, 940, 978, 1090, 1128, 1304, 1308, 1410, 1504, 1630, 1635, 1744, 1880, 1956, 2180, 2256, 2445, 2608, 2616, 2820, 3260, 3270, 3488, 3760, 3912, 4360, 4512, 4890, 5123, 5216, 5232, 5640, 6520, 6540, 7520, 7661, 7824, 8720, 9780, 10246, 10464, 11280, 13040, 13080, 15322, 15369, 15648, 17440, 17767, 19560, 20492, 22560, 22983, 25615, 26080, 26160, 30644, 30738, 35534, 38305, 39120, 40984, 45966, 51230, 52320, 53301, 61288, 61476, 71068, 76610, 76845, 78240, 81968, 88835, 91932, 102460, 106602, 114915, 122576, 122952, 142136, 153220, 153690, 163936, 177670, 183864, 204920, 213204, 229830, 245152, 245904, 266505, 284272, 306440, 307380, 355340, 367728, 409840, 426408, 459660, 491808, 533010, 568544, 612880, 614760, 710680, 735456, 819680, 835049, 852816, 919320, 1066020, 1225760, 1229520, 1421360, 1670098, 1705632, 1838640, 2132040, 2459040, 2505147, 2842720, 3340196, 3677280, 4175245, 4264080, 5010294, 6680392, 8350490, 8528160, 10020588, 12525735, 13360784, 16700980, 20041176, 25051470, 26721568, 33401960, 40082352, 50102940, 66803920, 80164704, 100205880, 133607840, 200411760, 400823520]

約数ペア:

[(1, 400823520), (2, 200411760), (3, 133607840), (4, 100205880), (5, 80164704), (6, 66803920), (8, 50102940), (10, 40082352), (12, 33401960), (15, 26721568), (16, 25051470), (20, 20041176), (24, 16700980), (30, 13360784), (32, 12525735), (40, 10020588), (47, 8528160), (48, 8350490), (60, 6680392), (80, 5010294), (94, 4264080), (96, 4175245), (109, 3677280), (120, 3340196), (141, 2842720), (160, 2505147), (163, 2459040), (188, 2132040), (218, 1838640), (235, 1705632), (240, 1670098), (282, 1421360), (326, 1229520), (327, 1225760), (376, 1066020), (436, 919320), (470, 852816), (480, 835049), (489, 819680), (545, 735456), (564, 710680), (652, 614760), (654, 612880), (705, 568544), (752, 533010), (815, 491808), (872, 459660), (940, 426408), (978, 409840), (1090, 367728), (1128, 355340), (1304, 307380), (1308, 306440), (1410, 284272), (1504, 266505), (1630, 245904), (1635, 245152), (1744, 229830), (1880, 213204), (1956, 204920), (2180, 183864), (2256, 177670), (2445, 163936), (2608, 153690), (2616, 153220), (2820, 142136), (3260, 122952), (3270, 122576), (3488, 114915), (3760, 106602), (3912, 102460), (4360, 91932), (4512, 88835), (4890, 81968), (5123, 78240), (5216, 76845), (5232, 76610), (5640, 71068), (6520, 61476), (6540, 61288), (7520, 53301), (7661, 52320), (7824, 51230), (8720, 45966), (9780, 40984), (10246, 39120), (10464, 38305), (11280, 35534), (13040, 30738), (13080, 30644), (15322, 26160), (15369, 26080), (15648, 25615), (17440, 22983), (17767, 22560), (19560, 20492)]