641834320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 160

約数和(自身を含む): 1677749760

約数和(自身を除く): 1035915440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 71, 80, 85, 92, 115, 136, 142, 170, 184, 230, 272, 284, 289, 340, 355, 368, 391, 460, 568, 578, 680, 710, 782, 920, 1136, 1156, 1207, 1360, 1420, 1445, 1564, 1633, 1840, 1955, 2312, 2414, 2840, 2890, 3128, 3266, 3910, 4624, 4828, 4913, 5680, 5780, 6035, 6256, 6532, 6647, 7820, 8165, 9656, 9826, 11560, 12070, 13064, 13294, 15640, 16330, 19312, 19652, 20519, 23120, 24140, 24565, 26128, 26588, 27761, 31280, 32660, 33235, 39304, 41038, 48280, 49130, 53176, 55522, 65320, 66470, 78608, 82076, 96560, 98260, 102595, 106352, 111044, 112999, 130640, 132940, 138805, 164152, 196520, 205190, 222088, 225998, 265880, 277610, 328304, 348823, 393040, 410380, 444176, 451996, 471937, 531760, 555220, 564995, 697646, 820760, 903992, 943874, 1110440, 1129990, 1395292, 1641520, 1744115, 1807984, 1887748, 2220880, 2259980, 2359685, 2790584, 3488230, 3775496, 4519960, 4719370, 5581168, 6976460, 7550992, 8022929, 9039920, 9438740, 13952920, 16045858, 18877480, 27905840, 32091716, 37754960, 40114645, 64183432, 80229290, 128366864, 160458580, 320917160, 641834320]

約数ペア:

[(1, 641834320), (2, 320917160), (4, 160458580), (5, 128366864), (8, 80229290), (10, 64183432), (16, 40114645), (17, 37754960), (20, 32091716), (23, 27905840), (34, 18877480), (40, 16045858), (46, 13952920), (68, 9438740), (71, 9039920), (80, 8022929), (85, 7550992), (92, 6976460), (115, 5581168), (136, 4719370), (142, 4519960), (170, 3775496), (184, 3488230), (230, 2790584), (272, 2359685), (284, 2259980), (289, 2220880), (340, 1887748), (355, 1807984), (368, 1744115), (391, 1641520), (460, 1395292), (568, 1129990), (578, 1110440), (680, 943874), (710, 903992), (782, 820760), (920, 697646), (1136, 564995), (1156, 555220), (1207, 531760), (1360, 471937), (1420, 451996), (1445, 444176), (1564, 410380), (1633, 393040), (1840, 348823), (1955, 328304), (2312, 277610), (2414, 265880), (2840, 225998), (2890, 222088), (3128, 205190), (3266, 196520), (3910, 164152), (4624, 138805), (4828, 132940), (4913, 130640), (5680, 112999), (5780, 111044), (6035, 106352), (6256, 102595), (6532, 98260), (6647, 96560), (7820, 82076), (8165, 78608), (9656, 66470), (9826, 65320), (11560, 55522), (12070, 53176), (13064, 49130), (13294, 48280), (15640, 41038), (16330, 39304), (19312, 33235), (19652, 32660), (20519, 31280), (23120, 27761), (24140, 26588), (24565, 26128)]