245983920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1652

約数の個数: 240

約数和(自身を含む): 955876320

約数和(自身を除く): 709892400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1609, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3218, 3640, 3822, 3920, 4368, 4827, 5096, 5460, 5880, 6370, 6436, 7280, 7644, 8045, 9555, 9654, 10192, 10920, 11263, 11760, 12740, 12872, 15288, 16090, 19110, 19308, 20917, 21840, 22526, 24135, 25480, 25744, 30576, 32180, 33789, 38220, 38616, 41834, 45052, 48270, 50960, 56315, 62751, 64360, 67578, 76440, 77232, 78841, 83668, 90104, 96540, 104585, 112630, 125502, 128720, 135156, 146419, 152880, 157682, 167336, 168945, 180208, 193080, 209170, 225260, 236523, 251004, 270312, 292838, 313755, 315364, 334672, 337890, 386160, 394205, 418340, 439257, 450520, 473046, 502008, 540624, 585676, 627510, 630728, 675780, 732095, 788410, 836680, 878514, 901040, 946092, 1004016, 1024933, 1171352, 1182615, 1255020, 1261456, 1351560, 1464190, 1576820, 1673360, 1757028, 1892184, 2049866, 2196285, 2342704, 2365230, 2510040, 2703120, 2928380, 3074799, 3153640, 3514056, 3784368, 4099732, 4392570, 4730460, 5020080, 5124665, 5856760, 6149598, 6307280, 7028112, 8199464, 8785140, 9460920, 10249330, 11713520, 12299196, 15373995, 16398928, 17570280, 18921840, 20498660, 24598392, 30747990, 35140560, 40997320, 49196784, 61495980, 81994640, 122991960, 245983920]

約数ペア:

[(1, 245983920), (2, 122991960), (3, 81994640), (4, 61495980), (5, 49196784), (6, 40997320), (7, 35140560), (8, 30747990), (10, 24598392), (12, 20498660), (13, 18921840), (14, 17570280), (15, 16398928), (16, 15373995), (20, 12299196), (21, 11713520), (24, 10249330), (26, 9460920), (28, 8785140), (30, 8199464), (35, 7028112), (39, 6307280), (40, 6149598), (42, 5856760), (48, 5124665), (49, 5020080), (52, 4730460), (56, 4392570), (60, 4099732), (65, 3784368), (70, 3514056), (78, 3153640), (80, 3074799), (84, 2928380), (91, 2703120), (98, 2510040), (104, 2365230), (105, 2342704), (112, 2196285), (120, 2049866), (130, 1892184), (140, 1757028), (147, 1673360), (156, 1576820), (168, 1464190), (182, 1351560), (195, 1261456), (196, 1255020), (208, 1182615), (210, 1171352), (240, 1024933), (245, 1004016), (260, 946092), (273, 901040), (280, 878514), (294, 836680), (312, 788410), (336, 732095), (364, 675780), (390, 630728), (392, 627510), (420, 585676), (455, 540624), (490, 502008), (520, 473046), (546, 450520), (560, 439257), (588, 418340), (624, 394205), (637, 386160), (728, 337890), (735, 334672), (780, 315364), (784, 313755), (840, 292838), (910, 270312), (980, 251004), (1040, 236523), (1092, 225260), (1176, 209170), (1274, 193080), (1365, 180208), (1456, 168945), (1470, 167336), (1560, 157682), (1609, 152880), (1680, 146419), (1820, 135156), (1911, 128720), (1960, 125502), (2184, 112630), (2352, 104585), (2548, 96540), (2730, 90104), (2940, 83668), (3120, 78841), (3185, 77232), (3218, 76440), (3640, 67578), (3822, 64360), (3920, 62751), (4368, 56315), (4827, 50960), (5096, 48270), (5460, 45052), (5880, 41834), (6370, 38616), (6436, 38220), (7280, 33789), (7644, 32180), (8045, 30576), (9555, 25744), (9654, 25480), (10192, 24135), (10920, 22526), (11263, 21840), (11760, 20917), (12740, 19308), (12872, 19110), (15288, 16090)]