256002120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 240

約数和(自身を含む): 947233980

約数和(自身を除く): 691231860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 121, 132, 135, 162, 165, 180, 198, 216, 220, 242, 264, 270, 297, 324, 330, 360, 363, 396, 405, 440, 484, 495, 540, 594, 605, 648, 653, 660, 726, 792, 810, 891, 968, 990, 1080, 1089, 1188, 1210, 1306, 1320, 1452, 1485, 1620, 1782, 1815, 1959, 1980, 2178, 2376, 2420, 2612, 2904, 2970, 3240, 3265, 3267, 3564, 3630, 3918, 3960, 4356, 4455, 4840, 5224, 5445, 5877, 5940, 6530, 6534, 7128, 7183, 7260, 7836, 8712, 8910, 9795, 9801, 10890, 11754, 11880, 13060, 13068, 14366, 14520, 15672, 16335, 17631, 17820, 19590, 19602, 21549, 21780, 23508, 26120, 26136, 28732, 29385, 32670, 35262, 35640, 35915, 39180, 39204, 43098, 43560, 47016, 49005, 52893, 57464, 58770, 64647, 65340, 70524, 71830, 78360, 78408, 79013, 86196, 88155, 98010, 105786, 107745, 117540, 129294, 130680, 141048, 143660, 158026, 172392, 176310, 193941, 196020, 211572, 215490, 235080, 237039, 258588, 264465, 287320, 316052, 323235, 352620, 387882, 392040, 395065, 423144, 430980, 474078, 517176, 528930, 581823, 632104, 646470, 705240, 711117, 775764, 790130, 861960, 948156, 969705, 1057860, 1163646, 1185195, 1292940, 1422234, 1551528, 1580260, 1896312, 1939410, 2115720, 2133351, 2327292, 2370390, 2585880, 2844468, 2909115, 3160520, 3555585, 3878820, 4266702, 4654584, 4740780, 5688936, 5818230, 6400053, 7111170, 7757640, 8533404, 9481560, 10666755, 11636460, 12800106, 14222340, 17066808, 21333510, 23272920, 25600212, 28444680, 32000265, 42667020, 51200424, 64000530, 85334040, 128001060, 256002120]

約数ペア:

[(1, 256002120), (2, 128001060), (3, 85334040), (4, 64000530), (5, 51200424), (6, 42667020), (8, 32000265), (9, 28444680), (10, 25600212), (11, 23272920), (12, 21333510), (15, 17066808), (18, 14222340), (20, 12800106), (22, 11636460), (24, 10666755), (27, 9481560), (30, 8533404), (33, 7757640), (36, 7111170), (40, 6400053), (44, 5818230), (45, 5688936), (54, 4740780), (55, 4654584), (60, 4266702), (66, 3878820), (72, 3555585), (81, 3160520), (88, 2909115), (90, 2844468), (99, 2585880), (108, 2370390), (110, 2327292), (120, 2133351), (121, 2115720), (132, 1939410), (135, 1896312), (162, 1580260), (165, 1551528), (180, 1422234), (198, 1292940), (216, 1185195), (220, 1163646), (242, 1057860), (264, 969705), (270, 948156), (297, 861960), (324, 790130), (330, 775764), (360, 711117), (363, 705240), (396, 646470), (405, 632104), (440, 581823), (484, 528930), (495, 517176), (540, 474078), (594, 430980), (605, 423144), (648, 395065), (653, 392040), (660, 387882), (726, 352620), (792, 323235), (810, 316052), (891, 287320), (968, 264465), (990, 258588), (1080, 237039), (1089, 235080), (1188, 215490), (1210, 211572), (1306, 196020), (1320, 193941), (1452, 176310), (1485, 172392), (1620, 158026), (1782, 143660), (1815, 141048), (1959, 130680), (1980, 129294), (2178, 117540), (2376, 107745), (2420, 105786), (2612, 98010), (2904, 88155), (2970, 86196), (3240, 79013), (3265, 78408), (3267, 78360), (3564, 71830), (3630, 70524), (3918, 65340), (3960, 64647), (4356, 58770), (4455, 57464), (4840, 52893), (5224, 49005), (5445, 47016), (5877, 43560), (5940, 43098), (6530, 39204), (6534, 39180), (7128, 35915), (7183, 35640), (7260, 35262), (7836, 32670), (8712, 29385), (8910, 28732), (9795, 26136), (9801, 26120), (10890, 23508), (11754, 21780), (11880, 21549), (13060, 19602), (13068, 19590), (14366, 17820), (14520, 17631), (15672, 16335)]