256869480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:224

約数の個数: 256

約数和(自身を含む): 920678400

約数和(自身を除く): 663808920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 71, 73, 84, 105, 118, 120, 140, 142, 146, 168, 177, 210, 213, 219, 236, 280, 284, 292, 295, 354, 355, 365, 413, 420, 426, 438, 472, 497, 511, 568, 584, 590, 708, 710, 730, 826, 840, 852, 876, 885, 994, 1022, 1065, 1095, 1180, 1239, 1416, 1420, 1460, 1491, 1533, 1652, 1704, 1752, 1770, 1988, 2044, 2065, 2130, 2190, 2360, 2478, 2485, 2555, 2840, 2920, 2982, 3066, 3304, 3540, 3976, 4088, 4130, 4189, 4260, 4307, 4380, 4956, 4970, 5110, 5183, 5964, 6132, 6195, 7080, 7455, 7665, 8260, 8378, 8520, 8614, 8760, 9912, 9940, 10220, 10366, 11928, 12264, 12390, 12567, 12921, 14910, 15330, 15549, 16520, 16756, 17228, 19880, 20440, 20732, 20945, 21535, 24780, 25134, 25842, 25915, 29323, 29820, 30149, 30660, 31098, 33512, 34456, 36281, 41464, 41890, 43070, 49560, 50268, 51684, 51830, 58646, 59640, 60298, 61320, 62196, 62835, 64605, 72562, 77745, 83780, 86140, 87969, 90447, 100536, 103368, 103660, 108843, 117292, 120596, 124392, 125670, 129210, 145124, 146615, 150745, 155490, 167560, 172280, 175938, 180894, 181405, 207320, 217686, 234584, 241192, 251340, 258420, 290248, 293230, 301490, 305797, 310980, 351876, 361788, 362810, 435372, 439845, 452235, 502680, 516840, 544215, 586460, 602980, 611594, 621960, 703752, 723576, 725620, 870744, 879690, 904470, 917391, 1088430, 1172920, 1205960, 1223188, 1451240, 1528985, 1759380, 1808940, 1834782, 2140579, 2176860, 2446376, 3057970, 3518760, 3617880, 3669564, 4281158, 4353720, 4586955, 6115940, 6421737, 7339128, 8562316, 9173910, 10702895, 12231880, 12843474, 17124632, 18347820, 21405790, 25686948, 32108685, 36695640, 42811580, 51373896, 64217370, 85623160, 128434740, 256869480]

約数ペア:

[(1, 256869480), (2, 128434740), (3, 85623160), (4, 64217370), (5, 51373896), (6, 42811580), (7, 36695640), (8, 32108685), (10, 25686948), (12, 21405790), (14, 18347820), (15, 17124632), (20, 12843474), (21, 12231880), (24, 10702895), (28, 9173910), (30, 8562316), (35, 7339128), (40, 6421737), (42, 6115940), (56, 4586955), (59, 4353720), (60, 4281158), (70, 3669564), (71, 3617880), (73, 3518760), (84, 3057970), (105, 2446376), (118, 2176860), (120, 2140579), (140, 1834782), (142, 1808940), (146, 1759380), (168, 1528985), (177, 1451240), (210, 1223188), (213, 1205960), (219, 1172920), (236, 1088430), (280, 917391), (284, 904470), (292, 879690), (295, 870744), (354, 725620), (355, 723576), (365, 703752), (413, 621960), (420, 611594), (426, 602980), (438, 586460), (472, 544215), (497, 516840), (511, 502680), (568, 452235), (584, 439845), (590, 435372), (708, 362810), (710, 361788), (730, 351876), (826, 310980), (840, 305797), (852, 301490), (876, 293230), (885, 290248), (994, 258420), (1022, 251340), (1065, 241192), (1095, 234584), (1180, 217686), (1239, 207320), (1416, 181405), (1420, 180894), (1460, 175938), (1491, 172280), (1533, 167560), (1652, 155490), (1704, 150745), (1752, 146615), (1770, 145124), (1988, 129210), (2044, 125670), (2065, 124392), (2130, 120596), (2190, 117292), (2360, 108843), (2478, 103660), (2485, 103368), (2555, 100536), (2840, 90447), (2920, 87969), (2982, 86140), (3066, 83780), (3304, 77745), (3540, 72562), (3976, 64605), (4088, 62835), (4130, 62196), (4189, 61320), (4260, 60298), (4307, 59640), (4380, 58646), (4956, 51830), (4970, 51684), (5110, 50268), (5183, 49560), (5964, 43070), (6132, 41890), (6195, 41464), (7080, 36281), (7455, 34456), (7665, 33512), (8260, 31098), (8378, 30660), (8520, 30149), (8614, 29820), (8760, 29323), (9912, 25915), (9940, 25842), (10220, 25134), (10366, 24780), (11928, 21535), (12264, 20945), (12390, 20732), (12567, 20440), (12921, 19880), (14910, 17228), (15330, 16756), (15549, 16520)]