256240320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2287

約数の個数: 224

約数和(自身を含む): 984918528

約数和(自身を除く): 728678208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 408, 420, 448, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 960, 1020, 1088, 1120, 1190, 1344, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2240, 2243, 2380, 2720, 2856, 3264, 3360, 3570, 3808, 4080, 4486, 4760, 5440, 5712, 6720, 6729, 7140, 7616, 8160, 8972, 9520, 11215, 11424, 13458, 14280, 15701, 16320, 17944, 19040, 22430, 22848, 26916, 28560, 31402, 33645, 35888, 38080, 38131, 44860, 47103, 53832, 57120, 62804, 67290, 71776, 76262, 78505, 89720, 94206, 107664, 114240, 114393, 125608, 134580, 143552, 152524, 157010, 179440, 188412, 190655, 215328, 228786, 235515, 251216, 266917, 269160, 305048, 314020, 358880, 376824, 381310, 430656, 457572, 471030, 502432, 533834, 538320, 571965, 610096, 628040, 717760, 753648, 762620, 800751, 915144, 942060, 1004864, 1067668, 1076640, 1143930, 1220192, 1256080, 1334585, 1507296, 1525240, 1601502, 1830288, 1884120, 2135336, 2153280, 2287860, 2440384, 2512160, 2669170, 3014592, 3050480, 3203004, 3660576, 3768240, 4003755, 4270672, 4575720, 5024320, 5338340, 6100960, 6406008, 7321152, 7536480, 8007510, 8541344, 9151440, 10676680, 12201920, 12812016, 15072960, 16015020, 17082688, 18302880, 21353360, 25624032, 32030040, 36605760, 42706720, 51248064, 64060080, 85413440, 128120160, 256240320]

約数ペア:

[(1, 256240320), (2, 128120160), (3, 85413440), (4, 64060080), (5, 51248064), (6, 42706720), (7, 36605760), (8, 32030040), (10, 25624032), (12, 21353360), (14, 18302880), (15, 17082688), (16, 16015020), (17, 15072960), (20, 12812016), (21, 12201920), (24, 10676680), (28, 9151440), (30, 8541344), (32, 8007510), (34, 7536480), (35, 7321152), (40, 6406008), (42, 6100960), (48, 5338340), (51, 5024320), (56, 4575720), (60, 4270672), (64, 4003755), (68, 3768240), (70, 3660576), (80, 3203004), (84, 3050480), (85, 3014592), (96, 2669170), (102, 2512160), (105, 2440384), (112, 2287860), (119, 2153280), (120, 2135336), (136, 1884120), (140, 1830288), (160, 1601502), (168, 1525240), (170, 1507296), (192, 1334585), (204, 1256080), (210, 1220192), (224, 1143930), (238, 1076640), (240, 1067668), (255, 1004864), (272, 942060), (280, 915144), (320, 800751), (336, 762620), (340, 753648), (357, 717760), (408, 628040), (420, 610096), (448, 571965), (476, 538320), (480, 533834), (510, 502432), (544, 471030), (560, 457572), (595, 430656), (672, 381310), (680, 376824), (714, 358880), (816, 314020), (840, 305048), (952, 269160), (960, 266917), (1020, 251216), (1088, 235515), (1120, 228786), (1190, 215328), (1344, 190655), (1360, 188412), (1428, 179440), (1632, 157010), (1680, 152524), (1785, 143552), (1904, 134580), (2040, 125608), (2240, 114393), (2243, 114240), (2380, 107664), (2720, 94206), (2856, 89720), (3264, 78505), (3360, 76262), (3570, 71776), (3808, 67290), (4080, 62804), (4486, 57120), (4760, 53832), (5440, 47103), (5712, 44860), (6720, 38131), (6729, 38080), (7140, 35888), (7616, 33645), (8160, 31402), (8972, 28560), (9520, 26916), (11215, 22848), (11424, 22430), (13458, 19040), (14280, 17944), (15701, 16320)]