491678820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1051}}^1$

素因数の和:1202

約数の個数: 144

約数和(自身を含む): 1571536512

約数和(自身を除く): 1079857692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 113, 115, 138, 180, 207, 226, 230, 276, 339, 345, 414, 452, 460, 565, 678, 690, 828, 1017, 1035, 1051, 1130, 1356, 1380, 1695, 2034, 2070, 2102, 2260, 2599, 3153, 3390, 4068, 4140, 4204, 5085, 5198, 5255, 6306, 6780, 7797, 9459, 10170, 10396, 10510, 12612, 12995, 15594, 15765, 18918, 20340, 21020, 23391, 24173, 25990, 31188, 31530, 37836, 38985, 46782, 47295, 48346, 51980, 63060, 72519, 77970, 93564, 94590, 96692, 116955, 118763, 120865, 145038, 155940, 189180, 217557, 233910, 237526, 241730, 290076, 356289, 362595, 435114, 467820, 475052, 483460, 593815, 712578, 725190, 870228, 1068867, 1087785, 1187630, 1425156, 1450380, 1781445, 2137734, 2175570, 2375260, 2731549, 3562890, 4275468, 4351140, 5344335, 5463098, 7125780, 8194647, 10688670, 10926196, 13657745, 16389294, 21377340, 24583941, 27315490, 32778588, 40973235, 49167882, 54630980, 81946470, 98335764, 122919705, 163892940, 245839410, 491678820]

約数ペア:

[(1, 491678820), (2, 245839410), (3, 163892940), (4, 122919705), (5, 98335764), (6, 81946470), (9, 54630980), (10, 49167882), (12, 40973235), (15, 32778588), (18, 27315490), (20, 24583941), (23, 21377340), (30, 16389294), (36, 13657745), (45, 10926196), (46, 10688670), (60, 8194647), (69, 7125780), (90, 5463098), (92, 5344335), (113, 4351140), (115, 4275468), (138, 3562890), (180, 2731549), (207, 2375260), (226, 2175570), (230, 2137734), (276, 1781445), (339, 1450380), (345, 1425156), (414, 1187630), (452, 1087785), (460, 1068867), (565, 870228), (678, 725190), (690, 712578), (828, 593815), (1017, 483460), (1035, 475052), (1051, 467820), (1130, 435114), (1356, 362595), (1380, 356289), (1695, 290076), (2034, 241730), (2070, 237526), (2102, 233910), (2260, 217557), (2599, 189180), (3153, 155940), (3390, 145038), (4068, 120865), (4140, 118763), (4204, 116955), (5085, 96692), (5198, 94590), (5255, 93564), (6306, 77970), (6780, 72519), (7797, 63060), (9459, 51980), (10170, 48346), (10396, 47295), (10510, 46782), (12612, 38985), (12995, 37836), (15594, 31530), (15765, 31188), (18918, 25990), (20340, 24173), (21020, 23391)]