256049100

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 216

約数和(自身を含む): 855913968

約数和(自身を除く): 599864868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 41, 45, 50, 54, 60, 75, 81, 82, 90, 100, 108, 123, 135, 150, 162, 164, 180, 205, 225, 243, 246, 257, 270, 300, 324, 369, 405, 410, 450, 486, 492, 514, 540, 615, 675, 738, 771, 810, 820, 900, 972, 1025, 1028, 1107, 1215, 1230, 1285, 1350, 1476, 1542, 1620, 1845, 2025, 2050, 2214, 2313, 2430, 2460, 2570, 2700, 3075, 3084, 3321, 3690, 3855, 4050, 4100, 4428, 4626, 4860, 5140, 5535, 6075, 6150, 6425, 6642, 6939, 7380, 7710, 8100, 9225, 9252, 9963, 10537, 11070, 11565, 12150, 12300, 12850, 13284, 13878, 15420, 16605, 18450, 19275, 19926, 20817, 21074, 22140, 23130, 24300, 25700, 27675, 27756, 31611, 33210, 34695, 36900, 38550, 39852, 41634, 42148, 46260, 49815, 52685, 55350, 57825, 62451, 63222, 66420, 69390, 77100, 83025, 83268, 94833, 99630, 104085, 105370, 110700, 115650, 124902, 126444, 138780, 158055, 166050, 173475, 189666, 199260, 208170, 210740, 231300, 249075, 249804, 263425, 284499, 312255, 316110, 332100, 346950, 379332, 416340, 474165, 498150, 520425, 526850, 568998, 624510, 632220, 693900, 790275, 853497, 948330, 996300, 1040850, 1053700, 1137996, 1249020, 1422495, 1561275, 1580550, 1706994, 1896660, 2081700, 2370825, 2560491, 2844990, 3122550, 3161100, 3413988, 4267485, 4741650, 5120982, 5689980, 6245100, 7112475, 8534970, 9483300, 10241964, 12802455, 14224950, 17069940, 21337425, 25604910, 28449900, 42674850, 51209820, 64012275, 85349700, 128024550, 256049100]

約数ペア:

[(1, 256049100), (2, 128024550), (3, 85349700), (4, 64012275), (5, 51209820), (6, 42674850), (9, 28449900), (10, 25604910), (12, 21337425), (15, 17069940), (18, 14224950), (20, 12802455), (25, 10241964), (27, 9483300), (30, 8534970), (36, 7112475), (41, 6245100), (45, 5689980), (50, 5120982), (54, 4741650), (60, 4267485), (75, 3413988), (81, 3161100), (82, 3122550), (90, 2844990), (100, 2560491), (108, 2370825), (123, 2081700), (135, 1896660), (150, 1706994), (162, 1580550), (164, 1561275), (180, 1422495), (205, 1249020), (225, 1137996), (243, 1053700), (246, 1040850), (257, 996300), (270, 948330), (300, 853497), (324, 790275), (369, 693900), (405, 632220), (410, 624510), (450, 568998), (486, 526850), (492, 520425), (514, 498150), (540, 474165), (615, 416340), (675, 379332), (738, 346950), (771, 332100), (810, 316110), (820, 312255), (900, 284499), (972, 263425), (1025, 249804), (1028, 249075), (1107, 231300), (1215, 210740), (1230, 208170), (1285, 199260), (1350, 189666), (1476, 173475), (1542, 166050), (1620, 158055), (1845, 138780), (2025, 126444), (2050, 124902), (2214, 115650), (2313, 110700), (2430, 105370), (2460, 104085), (2570, 99630), (2700, 94833), (3075, 83268), (3084, 83025), (3321, 77100), (3690, 69390), (3855, 66420), (4050, 63222), (4100, 62451), (4428, 57825), (4626, 55350), (4860, 52685), (5140, 49815), (5535, 46260), (6075, 42148), (6150, 41634), (6425, 39852), (6642, 38550), (6939, 36900), (7380, 34695), (7710, 33210), (8100, 31611), (9225, 27756), (9252, 27675), (9963, 25700), (10537, 24300), (11070, 23130), (11565, 22140), (12150, 21074), (12300, 20817), (12850, 19926), (13284, 19275), (13878, 18450), (15420, 16605)]