257484480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 224

約数和(自身を含む): 917326080

約数和(自身を除く): 659841600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 64, 66, 74, 80, 88, 96, 110, 111, 120, 132, 148, 160, 165, 176, 185, 192, 220, 222, 240, 264, 296, 320, 330, 352, 370, 407, 440, 444, 480, 528, 555, 592, 659, 660, 704, 740, 814, 880, 888, 960, 1056, 1110, 1184, 1221, 1318, 1320, 1480, 1628, 1760, 1776, 1977, 2035, 2112, 2220, 2368, 2442, 2636, 2640, 2960, 3256, 3295, 3520, 3552, 3954, 4070, 4440, 4884, 5272, 5280, 5920, 6105, 6512, 6590, 7104, 7249, 7908, 8140, 8880, 9768, 9885, 10544, 10560, 11840, 12210, 13024, 13180, 14498, 15816, 16280, 17760, 19536, 19770, 21088, 21747, 24383, 24420, 26048, 26360, 28996, 31632, 32560, 35520, 36245, 39072, 39540, 42176, 43494, 48766, 48840, 52720, 57992, 63264, 65120, 72490, 73149, 78144, 79080, 86988, 97532, 97680, 105440, 108735, 115984, 121915, 126528, 130240, 144980, 146298, 158160, 173976, 195064, 195360, 210880, 217470, 231968, 243830, 268213, 289960, 292596, 316320, 347952, 365745, 390128, 390720, 434940, 463936, 487660, 536426, 579920, 585192, 632640, 695904, 731490, 780256, 804639, 869880, 975320, 1072852, 1159840, 1170384, 1341065, 1391808, 1462980, 1560512, 1609278, 1739760, 1950640, 2145704, 2319680, 2340768, 2682130, 2925960, 3218556, 3479520, 3901280, 4023195, 4291408, 4681536, 5364260, 5851920, 6437112, 6959040, 7802560, 8046390, 8582816, 10728520, 11703840, 12874224, 16092780, 17165632, 21457040, 23407680, 25748448, 32185560, 42914080, 51496896, 64371120, 85828160, 128742240, 257484480]

約数ペア:

[(1, 257484480), (2, 128742240), (3, 85828160), (4, 64371120), (5, 51496896), (6, 42914080), (8, 32185560), (10, 25748448), (11, 23407680), (12, 21457040), (15, 17165632), (16, 16092780), (20, 12874224), (22, 11703840), (24, 10728520), (30, 8582816), (32, 8046390), (33, 7802560), (37, 6959040), (40, 6437112), (44, 5851920), (48, 5364260), (55, 4681536), (60, 4291408), (64, 4023195), (66, 3901280), (74, 3479520), (80, 3218556), (88, 2925960), (96, 2682130), (110, 2340768), (111, 2319680), (120, 2145704), (132, 1950640), (148, 1739760), (160, 1609278), (165, 1560512), (176, 1462980), (185, 1391808), (192, 1341065), (220, 1170384), (222, 1159840), (240, 1072852), (264, 975320), (296, 869880), (320, 804639), (330, 780256), (352, 731490), (370, 695904), (407, 632640), (440, 585192), (444, 579920), (480, 536426), (528, 487660), (555, 463936), (592, 434940), (659, 390720), (660, 390128), (704, 365745), (740, 347952), (814, 316320), (880, 292596), (888, 289960), (960, 268213), (1056, 243830), (1110, 231968), (1184, 217470), (1221, 210880), (1318, 195360), (1320, 195064), (1480, 173976), (1628, 158160), (1760, 146298), (1776, 144980), (1977, 130240), (2035, 126528), (2112, 121915), (2220, 115984), (2368, 108735), (2442, 105440), (2636, 97680), (2640, 97532), (2960, 86988), (3256, 79080), (3295, 78144), (3520, 73149), (3552, 72490), (3954, 65120), (4070, 63264), (4440, 57992), (4884, 52720), (5272, 48840), (5280, 48766), (5920, 43494), (6105, 42176), (6512, 39540), (6590, 39072), (7104, 36245), (7249, 35520), (7908, 32560), (8140, 31632), (8880, 28996), (9768, 26360), (9885, 26048), (10544, 24420), (10560, 24383), (11840, 21747), (12210, 21088), (13024, 19770), (13180, 19536), (14498, 17760), (15816, 16280)]