253403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 160

約数和(自身を含む): 758808576

約数和(自身を除く): 505404656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1327, 1364, 1540, 1705, 1736, 2170, 2387, 2480, 2654, 2728, 3080, 3410, 3472, 4340, 4774, 5308, 5456, 6160, 6635, 6820, 8680, 9289, 9548, 10616, 11935, 13270, 13640, 14597, 17360, 18578, 19096, 21232, 23870, 26540, 27280, 29194, 37156, 38192, 41137, 46445, 47740, 53080, 58388, 72985, 74312, 82274, 92890, 95480, 102179, 106160, 116776, 145970, 148624, 164548, 185780, 190960, 204358, 205685, 233552, 287959, 291940, 329096, 371560, 408716, 411370, 452507, 510895, 575918, 583880, 658192, 743120, 817432, 822740, 905014, 1021790, 1151836, 1167760, 1439795, 1634864, 1645480, 1810028, 2043580, 2262535, 2303672, 2879590, 3167549, 3290960, 3620056, 4087160, 4525070, 4607344, 5759180, 6335098, 7240112, 8174320, 9050140, 11518360, 12670196, 15837745, 18100280, 23036720, 25340392, 31675490, 36200560, 50680784, 63350980, 126701960, 253403920]

約数ペア:

[(1, 253403920), (2, 126701960), (4, 63350980), (5, 50680784), (7, 36200560), (8, 31675490), (10, 25340392), (11, 23036720), (14, 18100280), (16, 15837745), (20, 12670196), (22, 11518360), (28, 9050140), (31, 8174320), (35, 7240112), (40, 6335098), (44, 5759180), (55, 4607344), (56, 4525070), (62, 4087160), (70, 3620056), (77, 3290960), (80, 3167549), (88, 2879590), (110, 2303672), (112, 2262535), (124, 2043580), (140, 1810028), (154, 1645480), (155, 1634864), (176, 1439795), (217, 1167760), (220, 1151836), (248, 1021790), (280, 905014), (308, 822740), (310, 817432), (341, 743120), (385, 658192), (434, 583880), (440, 575918), (496, 510895), (560, 452507), (616, 411370), (620, 408716), (682, 371560), (770, 329096), (868, 291940), (880, 287959), (1085, 233552), (1232, 205685), (1240, 204358), (1327, 190960), (1364, 185780), (1540, 164548), (1705, 148624), (1736, 145970), (2170, 116776), (2387, 106160), (2480, 102179), (2654, 95480), (2728, 92890), (3080, 82274), (3410, 74312), (3472, 72985), (4340, 58388), (4774, 53080), (5308, 47740), (5456, 46445), (6160, 41137), (6635, 38192), (6820, 37156), (8680, 29194), (9289, 27280), (9548, 26540), (10616, 23870), (11935, 21232), (13270, 19096), (13640, 18578), (14597, 17360)]